Oil India Limited (OIL), a Maharatna Public Sector Undertaking, has officially announced recruitment for 29 vacancies across multiple positions including Graduate Teachers (Mathematics, English, Hindi, Assamese, Physics, Geography, Chemistry, Biology), Post Graduate Teachers (Economics, Physics, Mathematics, English, Education, Accountancy, Business Studies, Botany, Computer Science), Librarian, and Instructors (Mechanical, Chemical, Petroleum). The positions are available in Oil India Higher Secondary School, Duliajan & Moran, and Group Vocational Training Centre at OIL Field Headquarters. Eligible candidates are invited to apply online through the OIL website. The last date for submission is 07/03/2026.
Oil India Limited Recruitment 2026 - Overview
| Company Name | Oil India Limited (OIL) - Maharatna PSU |
| Post Names | Graduate Teacher (Mathematics, English, Hindi, Assamese, Physics, Geography, Chemistry, Biology), Librarian, Post Graduate Teacher (Economics, Physics, Mathematics, English, Education, Accountancy, Business Studies, Botany, Computer Science), Instructor (Mechanical, Chemical, Petroleum) |
| Total Vacancies | 29 Posts |
| Qualification | Bachelor's/Master's Degree with 45-50% marks + B.Ed for Teachers; Bachelor's in Library Science for Librarian; Diploma + 5 years experience for Instructors |
| Age Limit | 18-30 years (Graduate Teachers); 18-32 years (Post Graduate Teachers); 18-35 years (Instructors); Category-wise relaxation applicable |
| Salary Scale | Grade-V: Rs. 32,000 - 1,27,000; Grade-VII: Rs. 37,500 - 1,45,000 |
| Application Fee | General/OBC: Rs. 200/- + Applicable taxes; SC/ST/EWS/PwBD/ESM: Nil |
| Start Date for Apply Online | 05-02-2026 (14:00 hours) |
| Last Date for Apply Online | 07-03-2026 (23:59 hours) |
| Date of CBT (Tentative) | 29-03-2026 |
| Official Website | www.oil-india.com |
| Location | Dibrugarh, Tinsukia, Sivasagar, Charaideo (Assam); Changlang (Arunachal Pradesh) |
Vacancy Details - Grade-V (Pay Scale: Rs. 32,000 - 1,27,000)
| Sl. No. | Post Name | Post Code | No. of Posts |
|---|---|---|---|
| 1 | Graduate Teacher (Mathematics) | GTMA12026 | 02 |
| 2 | Graduate Teacher (English) | GTEN12026 | 03 |
| 3 | Graduate Teacher (Hindi) | GTHI12026 | 02 |
| 4 | Graduate Teacher (Assamese) | GTAS12026 | 01 |
| 5 | Graduate Teacher (Physics) | GTPH12026 | 01 |
| 6 | Graduate Teacher (Geography) | GTGE12026 | 01 |
| 7 | Graduate Teacher (Chemistry) | GTCH12026 | 01 |
| 8 | Graduate Teacher (Biology) | GTBL12026 | 01 |
| 9 | Librarian | LBRN12026 | 02 |
| Sub Total (Grade-V) | 14 | ||
Vacancy Details - Grade-VII (Pay Scale: Rs. 37,500 - 1,45,000)
| Sl. No. | Post Name | Post Code | No. of Posts |
|---|---|---|---|
| 10 | Post Graduate Teacher (Economics) | PGEC12026 | 01 |
| 11 | Post Graduate Teacher (Physics) | PGPH12026 | 01 |
| 12 | Post Graduate Teacher (Mathematics) | PGMA12026 | 02 |
| 13 | Post Graduate Teacher (English) | PGEN12026 | 01 |
| 14 | Post Graduate Teacher (Education) | PGED12026 | 01 |
| 15 | Post Graduate Teacher (Accountancy) | PGAC12026 | 01 |
| 16 | Post Graduate Teacher (Business Studies) | PGBS12026 | 01 |
| 17 | Post Graduate Teacher (Botany) | PGBT12026 | 01 |
| 18 | Post Graduate Teacher (Computer Science) | PGCS12026 | 01 |
| Sub Total (Grade-VII) | 10 | ||
Vacancy Details - Instructor Posts
| Sl. No. | Post Name | Post Code | No. of Posts |
|---|---|---|---|
| 19 | Instructor (Mechanical) | INTRM12026 | 02 |
| 20 | Instructor (Chemical) | INTRC12026 | 01 |
| 21 | Instructor (Petroleum) | INTRP12026 | 02 |
| Sub Total (Instructor) | 05 | ||
Grand Total: 29 Posts
Category-wise Reservation
| Post Code | Post Name | UR | SC | ST | OBC | EWS | Total |
|---|---|---|---|---|---|---|---|
| GTMA12026 | GT (Mathematics) | 1 | 0 | 0 | 1 | 0 | 2 |
| GTEN12026 | GT (English) | 1 | 1 | 0 | 0 | 1 | 3 |
| GTHI12026 | GT (Hindi) | 1 | 0 | 0 | 1 | 0 | 2 |
| GTAS12026 | GT (Assamese) | 1 | 0 | 0 | 0 | 0 | 1 |
| GTPH12026 | GT (Physics) | 1 | 0 | 0 | 0 | 0 | 1 |
| GTGE12026 | GT (Geography) | 0 | 0 | 1 | 0 | 0 | 1 |
| GTCH12026 | GT (Chemistry) | 1 | 0 | 0 | 0 | 0 | 1 |
| GTBL12026 | GT (Biology) | 1 | 0 | 0 | 0 | 0 | 1 |
| LBRN12026 | Librarian | 2 | 0 | 0 | 0 | 0 | 2 |
| PGEC12026 | PGT (Economics) | 1 | 0 | 0 | 0 | 0 | 1 |
| PGPH12026 | PGT (Physics) | 1 | 0 | 0 | 0 | 0 | 1 |
| PGMA12026 | PGT (Mathematics) | 1 | 0 | 0 | 1 | 0 | 2 |
| PGEN12026 | PGT (English) | 1 | 0 | 0 | 0 | 0 | 1 |
| PGED12026 | PGT (Education) | 0 | 0 | 1 | 0 | 0 | 1 |
| PGAC12026 | PGT (Accountancy) | 0 | 0 | 0 | 1 | 0 | 1 |
| PGBS12026 | PGT (Business Studies) | 1 | 0 | 0 | 0 | 0 | 1 |
| PGBT12026 | PGT (Botany) | 1 | 0 | 0 | 0 | 0 | 1 |
| PGCS12026 | PGT (Computer Science) | 1 | 0 | 0 | 0 | 0 | 1 |
| INTRM12026 | Instructor (Mechanical) | 1 | 0 | 0 | 1 | 0 | 2 |
| INTRC12026 | Instructor (Chemical) | 1 | 0 | 0 | 0 | 0 | 1 |
| INTRP12026 | Instructor (Petroleum) | 2 | 0 | 0 | 0 | 0 | 2 |
| Grand Total | 29 | ||||||
Eligibility Criteria
Graduate Teachers (Grade-V)
1. Graduate Teacher (Mathematics) - GTMA12026
- Bachelor's Degree with Major/Honours in Mathematics with minimum 45% marks from a Government recognized University/Institute
- Physics and Chemistry must be core/pass subject in Graduation
- Bachelor of Education (B.Ed.) from National Council for Teacher Education (NCTE) recognized Institution
- Must have passed Class 10 with Assamese as MIL or Elective subject
- Must be capable of teaching in both Assamese and English medium
2. Graduate Teacher (English) - GTEN12026
- Bachelor's Degree with Major/Honours in English with minimum 45% marks from a Government recognized University/Institute
- Bachelor of Education (B.Ed.) from NCTE recognized Institution
- Must be capable of teaching in Assamese, Hindi and English medium
- Must have understanding of all three languages mentioned above
3. Graduate Teacher (Hindi) - GTHI12026
- Bachelor's Degree with Major/Honours in Hindi with minimum 45% marks from a Government recognized University/Institute
- Political Science, Geography, History, Economics or Education must be core/pass subject in Graduation
- Bachelor of Education (B.Ed.) from NCTE recognized Institution
- Must have passed Class 10 with Hindi as MIL or Elective subject
- Must be capable of teaching in Assamese, Hindi and English medium
4. Graduate Teacher (Assamese) - GTAS12026
- Bachelor's Degree with Major/Honours in Assamese with minimum 45% marks from a Government recognized University/Institute
- Political Science, Geography, History, Economics or Education must be core/pass subject in Graduation
- Bachelor of Education (B.Ed.) from NCTE recognized Institution
- Must have passed Class 10 with Assamese as MIL or Elective subject
- Must be capable of teaching in Assamese and English medium
5. Graduate Teacher (Physics) - GTPH12026
- Bachelor's Degree with Major/Honours in Physics with minimum 45% marks from a Government recognized University/Institute
- Chemistry and Mathematics must be core/pass subject in Graduation
- Bachelor of Education (B.Ed.) from NCTE recognized Institution
- Must have passed Class 10 with Assamese as MIL or Elective subject
- Must be capable of teaching in both Assamese and English medium
6. Graduate Teacher (Geography) - GTGE12026
- Bachelor's Degree with Major/Honours in Geography with minimum 45% marks from a Government recognized University/Institute
- History, Economics, Political Science or Education must be core/pass subject in Graduation
- Bachelor of Education (B.Ed.) from NCTE recognized Institution
- Must have passed Class 10 with Assamese as MIL or Elective subject
- Must be capable of teaching in Assamese and English medium
7. Graduate Teacher (Chemistry) - GTCH12026
- Bachelor's Degree with Major/Honours in Chemistry with minimum 45% marks from a Government recognized University/Institute
- Physics and Mathematics must be core/pass subject in Graduation
- Bachelor of Education (B.Ed.) from NCTE recognized Institution
- Must have passed Class 10 with Assamese as MIL or Elective subject
- Must be capable of teaching in Assamese and English medium
8. Graduate Teacher (Biology) - GTBL12026
- Bachelor's Degree with Major/Honours in Zoology with minimum 45% marks from a Government recognized University/Institute (OR)
- Bachelor's Degree with Major/Honours in Botany with minimum 45% marks from a Government recognized University/Institute
- Chemistry must be core/pass subject in Graduation (along with the respective major)
- Bachelor of Education (B.Ed.) from NCTE recognized Institution
- Must have passed Class 10 with Assamese as MIL or Elective subject
- Must be capable of teaching in Assamese and English medium
9. Librarian - LBRN12026
- Bachelor's Degree in Library & Information Science from a Government recognized University/Institute
Post Graduate Teachers (Grade-VII)
10. Post Graduate Teacher (Economics) - PGEC12026
- Master's Degree in Economics with minimum 50% marks from a Government recognized University/Institute
- Bachelor's Degree with Major/Honours in Economics with minimum 45% marks from a Government recognized University/Institute
- Bachelor of Education (B.Ed.) from NCTE recognized Institution
- Must be capable of teaching in English medium
11. Post Graduate Teacher (Physics) - PGPH12026
- Master's Degree in Physics with minimum 50% marks from a Government recognized University/Institute
- Bachelor's Degree with Major/Honours in Physics with minimum 45% marks from a Government recognized University/Institute
- Bachelor of Education (B.Ed.) from NCTE recognized Institution
- Must be capable of teaching in English medium
12. Post Graduate Teacher (Mathematics) - PGMA12026
- Master's Degree in Mathematics with minimum 50% marks from a Government recognized University/Institute
- Bachelor's Degree with Major/Honours in Mathematics with minimum 45% marks from a Government recognized University/Institute
- Bachelor of Education (B.Ed.) from NCTE recognized Institution
- Must be capable of teaching in English medium
13. Post Graduate Teacher (English) - PGEN12026
- Master's Degree in English with minimum 50% marks from a Government recognized University/Institute
- Bachelor's Degree with Major/Honours in English with minimum 45% marks from a Government recognized University/Institute
- Bachelor of Education (B.Ed.) from NCTE recognized Institution
- Must be capable of teaching in English medium
14. Post Graduate Teacher (Education) - PGED12026
- Master's Degree in Education with minimum 50% marks from a Government recognized University/Institute
- Bachelor's Degree with Major/Honours in Education with minimum 45% marks from a Government recognized University/Institute
- Bachelor of Education (B.Ed.) from NCTE recognized Institution
- Must be capable of teaching in English medium
15. Post Graduate Teacher (Accountancy) - PGAC12026
- Master of Commerce (M.Com) with minimum 50% marks from a Government recognized University/Institute
- Bachelor's Degree with Major/Honours in Accountancy or Finance & Accounts with minimum 45% marks from a Government recognized University/Institute
- Bachelor of Education (B.Ed.) from NCTE recognized Institution
- Must be capable of teaching in English medium
16. Post Graduate Teacher (Business Studies) - PGBS12026
- Master of Commerce (M.Com) with minimum 50% marks from a Government recognized University/Institute
- Bachelor's Degree with Major/Honours in Business Administration, Marketing Management or Business Management with minimum 45% marks from a Government recognized University/Institute
- Bachelor of Education (B.Ed.) from NCTE recognized Institution
- Must be capable of teaching in English medium
17. Post Graduate Teacher (Botany) - PGBT12026
- Master's Degree in Botany/Life Sciences (Botany) with minimum 50% marks from a Government recognized University/Institute
- Bachelor's Degree with Major/Honours in Botany with minimum 45% marks from a Government recognized University/Institute
- Bachelor of Education (B.Ed.) from NCTE recognized Institution
- Must be capable of teaching in English medium
18. Post Graduate Teacher (Computer Science) - PGCS12026
- M.Sc in Computer Science or Master of Computer Application with minimum 50% marks from a Government recognized University/Institute
- Bachelor's Degree with Major/Honours in Computer Science or Bachelor of Computer Application with minimum 45% marks from a Government recognized University/Institute
- Must be capable of teaching in English medium
Instructor Posts
19. Instructor (Mechanical) - INTRM12026
- Passed Class 10 from a Government recognized Board
- Three (3) years Diploma in Mechanical Engineering from a Government recognized University/Board/Institute
- Minimum 5 years post qualification full time work experience in oil and gas fields in State/Central Government Organizations/PSUs/Private Sector Organization
- Work experience must be acquired only after obtaining the prescribed essential qualification
- For Diploma Apprentice candidates: Apprenticeship training period counts as requisite work experience; Certificate of Proficiency issued by Board of Practical Training (BOPT), Eastern Region, Kolkata required
20. Instructor (Chemical) - INTRC12026
- Passed Class 10 from a Government recognized Board
- Three (3) years Diploma in Chemical Engineering from a Government recognized University/Board/Institute
- Minimum 5 years post qualification full time work experience in oil and gas fields in State/Central Government Organizations/PSUs/Private Sector Organization
- Work experience must be acquired only after obtaining the prescribed essential qualification
- For Diploma Apprentice candidates: Apprenticeship training period counts as requisite work experience; Certificate of Proficiency issued by BOPT, Eastern Region, Kolkata required
21. Instructor (Petroleum) - INTRP12026
- Passed Class 10 from a Government recognized Board
- Three (3) years Diploma in Petroleum Engineering from a Government recognized University/Board/Institute
- Minimum 5 years post qualification full time work experience in oil and gas fields in State/Central Government Organizations/PSUs/Private Sector Organization
- Work experience must be acquired only after obtaining the prescribed essential qualification
- For Diploma Apprentice candidates: Apprenticeship training period counts as requisite work experience; Certificate of Proficiency issued by BOPT, Eastern Region, Kolkata required
Age Limit (As on Crucial Date: 07/03/2026)
Graduate Teachers (Grade-V)
| Post | General | SC | ST | OBC |
|---|---|---|---|---|
| Mathematics (GTMA12026) | 30 years | 30 years | 30 years | 33 years |
| English (GTEN12026) | 30 years | 35 years | 30 years | 30 years |
| Hindi (GTHI12026) | 30 years | 30 years | 30 years | 33 years |
| Assamese (GTAS12026) | 30 years | 30 years | 30 years | 30 years |
| Physics (GTPH12026) | 30 years | 30 years | 30 years | 30 years |
| Geography (GTGE12026) | - | - | 35 years | - |
| Chemistry (GTCH12026) | 30 years | 30 years | 30 years | 30 years |
| Biology (GTBL12026) | 30 years | 30 years | 30 years | 30 years |
| Librarian (LBRN12026) | 30 years | 30 years | 30 years | 30 years |
Post Graduate Teachers (Grade-VII)
| Post | General | SC | ST | OBC |
|---|---|---|---|---|
| Economics (PGEC12026) | 32 years | 32 years | 32 years | 32 years |
| Physics (PGPH12026) | 32 years | 32 years | 32 years | 32 years |
| Mathematics (PGMA12026) | 32 years | 32 years | 32 years | 35 years |
| English (PGEN12026) | 32 years | 32 years | 32 years | 32 years |
| Education (PGED12026) | - | - | 37 years | - |
| Accountancy (PGAC12026) | - | - | - | 35 years |
| Business Studies (PGBS12026) | 32 years | 32 years | 32 years | 32 years |
| Botany (PGBT12026) | 32 years | 32 years | 32 years | 32 years |
| Computer Science (PGCS12026) | 32 years | 32 years | 32 years | 32 years |
Instructor Posts
| Post | General | SC | ST | OBC |
|---|---|---|---|---|
| Mechanical (INTRM12026) | 35 years | 35 years | 35 years | 38 years |
| Chemical (INTRC12026) | 35 years | 35 years | 35 years | 35 years |
| Petroleum (INTRP12026) | 35 years | 35 years | 35 years | 35 years |
Age Relaxation
- Minimum Age: 18 years for all posts
- SC/ST: 5 years relaxation above the maximum age limit prescribed
- OBC (NCL): 3 years relaxation above the maximum age limit prescribed
- PwBD (Persons with Benchmark Disabilities): 10 years relaxation above the maximum age limit prescribed
- Ex-Servicemen (ESM): As per Government of India directives
- Permanent OIL Employees: Age relaxation to the extent of service rendered, subject to a maximum age limit of 50 years
- Work Contract Labours (WCL - Listed I, II, III): Age relaxation to the extent of service rendered, subject to a maximum age limit of 50 years
- Diploma Apprentices (Instructor posts): Additional age relaxation equal to the duration of Apprenticeship Training period undergone in OIL
Salary Structure
Grade-V Posts
Pay Scale: Rs. 32,000 - 1,27,000 per month
Posts: All Graduate Teachers (Mathematics, English, Hindi, Assamese, Physics, Geography, Chemistry, Biology) and Librarian
Grade-VII Posts
Pay Scale: Rs. 37,500 - 1,45,000 per month
Posts: All Post Graduate Teachers (Economics, Physics, Mathematics, English, Education, Accountancy, Business Studies, Botany, Computer Science) and Instructor posts (Mechanical, Chemical, Petroleum)
Application Fee
| Category | Application Fee |
|---|---|
| General / OBC (Non-Creamy Layer) | Rs. 200/- + Applicable Taxes |
| SC / ST / EWS / PwBD / ESM | Nil (Exempted) |
Fee Payment Method
- Payment must be made through the payment gateway integrated with the online application system
- No other mode of payment is acceptable
- Application fee once paid will NOT be refunded under any circumstances
Important Dates
| Event | Date & Time |
|---|---|
| Opening of Online Application Window | 05-02-2026 at 14:00 hours (IST) |
| Last Date for Submission of Online Application | 07-03-2026 at 23:59 hours (IST) |
| Date of Computer Based Test (CBT) | 29-03-2026 (Tentative) |
| Crucial/Cut-off Date for Age, Qualification, Experience | 07-03-2026 |
Note: All dates are as per OIL Server time. Exact date of CBT will be intimated at the time of issue of Admit Cards.
Selection Process
Stage 1: Computer Based Test (CBT)
- Duration: 2 hours (with compensatory time for PwBD candidates: 20 minutes per hour additional)
- Total Marks: 100 marks
- Format: Multiple Choice Questions (MCQ)
- Negative Marking: NO negative marking
- Qualifying Marks:
- General/OBC/EWS: 50%
- SC/ST/PwBD: 40%
CBT Pattern and Syllabus
For all posts except Librarian, Computer Science, and Instructor posts:
| Section | Topics | Marks % |
|---|---|---|
| A | General English, General Knowledge/Awareness, OIL Company Questions | 20% |
| B | Reasoning, Mental Ability, Computer Knowledge, Domain/Technical Knowledge | 20% |
| C | Questions based on prescribed qualifications; B.Ed. content in 2:1 ratio | 60% |
For Librarian, Computer Science, and Instructor posts:
| Section | Topics | Marks % |
|---|---|---|
| A | General English, General Knowledge/Awareness, OIL Company Questions | 20% |
| B | Reasoning, Mental Ability, Computer Knowledge, Domain/Technical Knowledge | 20% |
| C | Questions based on prescribed qualifications and commensurate with post level | 60% |
CBT Language Options
| Post Codes | Language Available |
|---|---|
| GTHI12026 | Part A & B in English & Hindi; Part C in Hindi only |
| GTAS12026 | Part A & B in English & Assamese; Part C in Assamese only |
| GTMA12026, GTPH12026, GTGE12026, GTCH12026, GTBL12026, LBRN12026, INTRM12026, INTRC12026, INTRP12026 | Part A, B & C in English & Assamese |
| GTEN12026, PGEC12026, PGPH12026, PGMA12026, PGEN12026, PGED12026, PGAC12026, PGBS12026, PGBT12026, PGCS12026 | Part A, B & C in English |
Tie-Breaking (in case of equal marks in CBT)
- Candidates with more marks in Part-C will be given preference
- If Part-C marks are equal, candidates with more marks in Part-B will be preferred
- If Part-B marks are also equal, older candidates (by age) will be given preference
Shortlisting for Document Verification
- Candidates will be shortlisted in order of merit based on CBT marks
- Shortlisting ratio: 1:1 (one candidate shortlisted for one vacancy)
- Due cognizance given to number of reserved posts
- Schedule for Document Verification will be intimated through registered e-mail ID and mobile number
Stage 2: Document Verification
- Shortlisted candidates must bring downloaded application form with ALL ORIGINAL DOCUMENTS in the order mentioned in the notification
- ONE SEPARATE SET OF SELF-ATTESTED photocopies of all documents is mandatory
- Candidates failing to produce required documents will be summarily rejected
- Documents/certificates must be issued on or before the crucial date (07/03/2026) and must be valid at the time of verification
Stage 3: Final Selection & Appointment
- Final selection will be made in order of merit based on CBT marks, subject to fulfilling all eligibility criteria
- Selected candidates will be appointed as 'Probationers' for 12 months
- Upon successful completion of probation, confirmation is granted
- Probationary period may be extended by 6 months twice if performance is unsatisfactory
- Pre-Employment Medical Examination (PEME) is mandatory before final appointment
- PEME can be conducted at OIL Hospital Duliajan, by Government Medical Officer, or Authorized Medical Officer of empaneled hospitals
Important Instructions
Registration & Application Guidelines
- Online Application Only: Apply exclusively through the online portal at www.oil-india.com (Career section)
- User ID & Password: After online registration, a unique User ID/Applicant ID and Password will be generated - keep these for future reference
- Multiple Applications: Only the application with the highest Application ID Number will be considered
- Photo & Signature: Must upload recent colored photograph and signature as specified
- Submission Deadline: Complete submission at least before the last date to avoid last-minute server congestion
- No Late Submissions: No documents are to be sent to OIL unless specifically advised
Eligibility Verification Documents (Mandatory)
All candidates must submit the following:
- Valid Employment Exchange Registration Card of the specified employment exchanges
- OR Zila Sainik Welfare Office Registration Card (for Ex-Servicemen)
- OR Certificate of Proficiency from BOPT, Eastern Region, Kolkata (for Diploma Apprentices in Instructor posts)
- Class 10 Admit Card / Pass Certificate / Marksheet as valid proof of Date of Birth
For Graduate Teachers (Posts 1-8) & Librarian:
- All Semester/Year Marksheets and Pass Certificate of Bachelor Degree with Major in the relevant subject
- Marksheet and Pass Certificate of B.Ed. from NCTE recognized Institution
- Class 10 Marksheet/Pass Certificate
For Post Graduate Teachers (Posts 10-18):
- All Semester/Year Marksheets and Pass Certificate of Master Degree in the relevant subject
- All Semester/Year Marksheets and Pass Certificate of Bachelor Degree with Major in the relevant subject
- Marksheet and Pass Certificate of B.Ed. from NCTE recognized Institution
For Instructor Posts (Posts 19-21):
- Class 10 Marksheet/Pass Certificate
- Marksheet and Pass Certificate of 3-years Diploma in relevant Engineering discipline
- Certificate of minimum 5 years post-qualification full-time work experience issued by authorized employer with clear specification of duration and designation
- Certificate of Proficiency from BOPT (for Diploma Apprentices)
Category-Specific Documents (if applicable):
- Caste Certificate (for SC/ST/OBC candidates)
- Non-Creamy Layer (NCL) Certificate (for OBC candidates; must be valid at time of appointment)
- Income & Assets Certificate (for EWS candidates; must be valid at time of appointment)
- Disability Certificate 40%+ (for PwBD candidates)
- Discharge Certificate/Service & Release Certificate (for Ex-Servicemen)
- Photo Pass for WCL (if applicable)
- No Objection Certificate from current employer (if employed in Government/PSU)
PwBD & Ex-Servicemen Concessions
- Exam Fee: SC/ST/EWS/PwBD/ESM are exempted from online application fee
- Rail/Bus Fare Reimbursement: Eligible SC/ST/PwBD candidates appearing in CBT will be reimbursed 2nd class rail/bus fare by shortest route on submission of proof
- Extra Time in CBT: 20 minutes additional time per hour for PwBD candidates
- Scribe Facility: Available for PwBD candidates who have physical limitation in writing, with Competent Authority certificate
- Scribe Qualifications: One step below candidate's own qualification; must bring color photograph and valid ID proof
- Age Relaxation: PwBD: 10 years; ESM: as per government rules; Diploma Apprentices: duration of training period undergone
General Instructions
- Correctness of Information: Candidate is responsible for accuracy of information provided in online form; all details will be treated as final with no changes entertained
- Caste Certificate Format: Must be in prescribed format by Government of India from competent authority, clearly indicating candidate's caste and the Act/Order under which recognized
- OBC (NCL) Certificate: Must specifically state that candidate does NOT belong to creamy layer as defined by Government of India for Central Government posts/services
- EWS Certificate: Must be issued by competent authority as per Government of India prescribed format
- Valid Email & Mobile: Email ID and mobile number declared must remain active throughout the recruitment process - all communications will be via e-mail/SMS only
- Duplicate Email/Mobile: The same email ID and mobile number cannot be used by any other candidate; requests for changes will NOT be considered
- Employment Exchange Registration Mandatory: Only candidates registered with the specified employment exchanges in OIL's operating areas are eligible:Chapakhowa (Sadiya), Dibrugarh, Digboi, Doomdooma, Duliajan, Moranhat, Namrup, Sonari, Sivasagar, Tinsukia, UEI&GB (Dibrugarh University), Zila Sainik Welfare Office (Dibrugarh, Sivasagar), Miao/Bordumsa (Changlang)
- No Canvassing: Canvassing in any form (directly or indirectly) will disqualify candidate
- Fraud Warning: Beware of fake engagement/appointment letters from fraudsters; OIL only issues official letters at recruitment conclusion through transparent process
- Results Publication: Results will be published on www.oil-india.com only - no other website/medium
- Jurisdiction: Any dispute regarding this recruitment will fall under the jurisdiction of Dibrugarh District Court only
Document Verification Requirements
- Bring downloaded application form and ALL ORIGINAL DOCUMENTS in order
- Bring ONE SEPARATE SET OF SELF-ATTESTED photocopies of all documents in the same order
- Failure to produce required documents will result in summary rejection
- All certificates must be issued on or before 07/03/2026 and be valid at time of verification
- Work experience (for Instructor posts) counted only up to 07/03/2026
- Any mismatch between online form and submitted documents will lead to rejection
- All submitted documents will be verified with concerned issuing authorities
- If documents found to be false/fake/incorrect at any stage, candidature will be rejected and candidate blacklisted for future OIL recruitment
Medical Fitness Requirement
- PEME Mandatory: Final appointment is conditional on medical fitness as per OIL prescribed standards
- PEME Centers: OIL Hospital Duliajan (Assam), or Government Medical Officer (Civil Surgeon rank or above), or Authorized Medical Officer of company-empaneled hospitals
- Medical Rejection: If not declared medically fit by OIL Medical Board, provisional selection will be cancelled
Probation & Confirmation
- Probationary Period: 12 months as 'Probationer'
- Confirmation: Granted after satisfactory performance during probation
- Unsatisfactory Performance: Probation can be extended by 6 months; maximum 2 extensions possible (18 months total)
- Termination: If performance remains unsatisfactory after 2 extensions, appointment will be terminated
- Confirmation Letter: Required with explicit mention of effective confirmation date; no deemed or automatic confirmation
- Full Verification Required: Confirmation only after full verification of all documents/certificates and positive character report from authorities
- False Information: If any false information/documents detected at any stage, appointment will be terminated and candidate liable under Bharatiya Nyaya Sanhita, 2023
Special Provisions for Diploma Apprentices
- Eligible for Instructor (Mechanical, Chemical, Petroleum) posts only
- Must have successfully completed Apprenticeship Training in the relevant discipline at OIL
- Must possess valid Certificate of Proficiency from BOPT, Eastern Region, Kolkata
- Apprenticeship training period counts as requisite work experience toward the 5-year requirement
- Additional age relaxation equal to duration of apprenticeship training undergone
- Must submit Certificate of Proficiency along with other documents
How to Apply
Step-by-Step Application Process
- Visit Official Website: Go to www.oil-india.com
- Navigate to Career Section: Click on "OIL for All" → "Career at OIL" → "Current Openings"
- Read Advertisement: Carefully read the complete notification and eligibility criteria for your desired post code
- Click Apply Online: Click on the application link for your post code (opens from 05-02-2026 at 14:00 hours)
- Register/Login: Register with your email ID and mobile number; system will generate User ID/Applicant ID and Password
- Fill Application Form: Provide all required information accurately and completely; incomplete applications will be rejected
- Upload Photo & Signature: Upload recent colored photograph and signature as specified in the instructions
- Select Post Code: Select your desired post code from the dropdown list
- Declare Information: Verify that all declarations are correct (no changes can be made after submission)
- Pay Application Fee (if applicable): Use the integrated payment gateway to pay application fee for General/OBC candidates; SC/ST/EWS/PwBD/ESM are exempted
- Submit Application: Final submission of the completed form
- Download Confirmation: Download and take printout of the submitted application form for future reference
- Keep Details Safe: Save your User ID, Password, and Application ID for tracking
Important Application Tips
- Ensure all information matches your certificates/documents exactly
- Double-check eligibility criteria before applying to avoid rejection
- Submit well before the deadline to avoid last-minute server issues
- Keep your application printout safe; no need to send it unless specifically asked
- Contact helpdesk (022-61087555, Monday-Friday, 10 AM-5 PM) for technical issues only
- Do NOT apply for multiple post codes with the same email ID and mobile number
Frequently Asked Questions (FAQ)
General Questions
Q: What is the total number of vacancies in Oil India Limited Recruitment 2026?
A: The total number of vacancies is 29 posts across different positions. This includes 9 Graduate Teacher posts (14 vacancies including Librarian), 9 Post Graduate Teacher posts (10 vacancies), and 3 Instructor posts (5 vacancies).
Q: What is the last date to apply for Oil India Limited Recruitment 2026?
A: The last date to apply online is 07-03-2026 at 23:59 hours (as per OIL server time). The online application window opens from 05-02-2026 at 14:00 hours.
Q: What is the application fee for Oil India Limited Recruitment 2026?
A: General and OBC candidates must pay Rs. 200/- plus applicable taxes. SC, ST, EWS, PwBD (Persons with Benchmark Disabilities), and ESM (Ex-Servicemen) candidates are exempted from the application fee.
Q: When will the CBT exam be conducted?
A: The CBT is tentatively scheduled for 29-03-2026. The exact date and time will be mentioned in the Admit Card to be issued to shortlisted candidates.
Q: How will candidates be notified about the CBT date and other updates?
A: All communications will be sent through the email ID and mobile number registered in the online application form. Candidates must keep these contact details active throughout the recruitment process.
Q: What is the crucial/cut-off date for determining age and qualifications?
A: The crucial date is 07-03-2026 (the last date for submission of online applications). All age calculations and qualification verification will be based on this date.
Q: Can I apply if I'm currently employed in government/PSU sector?
A: Yes, you can apply, but you must submit a No Objection Certificate (NOC) from your current employer. Failure to submit the NOC at the applicable stage will result in non-consideration of your application.
Q: Is there negative marking in the CBT exam?
A: No, there is NO negative marking in the CBT. Each correct answer will fetch you marks without any deduction for wrong answers.
Q: What are the reservation provisions in this recruitment?
A: Reservations are provided for SC, ST, OBC (Non-Creamy Layer), EWS, Persons with Benchmark Disabilities (PwBD), and Ex-Servicemen (ESM) as per Government of India guidelines. Additional reservations for PwBD (Grade-V: 01; Grade-VII: 01) and ESM positions are also available.
Eligibility & Qualification Questions
Q: What is the qualification required for Graduate Teacher (Mathematics) posts?
A: You must have (i) Bachelor's Degree with Major/Honours in Mathematics with minimum 45% marks from a Government recognized University/Institute, with Physics and Chemistry as core/pass subject; (ii) Bachelor of Education (B.Ed.) from NCTE recognized Institution; and (iii) Class 10 pass with Assamese as MIL or Elective subject, with capability to teach in both Assamese and English medium.
Q: What is the qualification required for Graduate Teacher (English) posts?
A: You must have (i) Bachelor's Degree with Major/Honours in English with minimum 45% marks from a Government recognized University/Institute; (ii) Bachelor of Education (B.Ed.) from NCTE recognized Institution; and (iii) Capability to teach in Assamese, Hindi and English medium with understanding of all three languages.
Q: What is the qualification required for Post Graduate Teacher posts?
A: You must have (i) Master's Degree in the relevant subject with minimum 50% marks from a Government recognized University/Institute; (ii) Bachelor's Degree with Major/Honours in the relevant subject with minimum 45% marks from a Government recognized University/Institute; (iii) Bachelor of Education (B.Ed.) from NCTE recognized Institution; and (iv) Capability to teach in English medium. Specific subject requirements vary by post.
Q: What is the qualification required for Librarian posts?
A: You must have passed Bachelor's Degree in Library & Information Science from a Government recognized University or Institute.
Q: What is the qualification required for Instructor (Mechanical/Chemical/Petroleum) posts?
A: You must have (i) Passed Class 10 from a Government recognized Board; (ii) Passed 3 years Diploma in the relevant Engineering discipline from a Government recognized University/Board/Institute; and (iii) Minimum 5 years post-qualification full-time work experience in oil and gas fields in State/Central Government Organizations, PSUs, or Private Sector Organizations. Work experience must be acquired only after obtaining the prescribed essential qualification.
Q: Am I eligible if I have a diploma in engineering but am completing the 5-year experience requirement?
A: For Instructor posts, you must have completed the minimum 5 years of post-qualification full-time work experience as on the crucial date (07-03-2026). If you haven't completed 5 years by that date, you are not eligible. However, if you are a Diploma Apprentice who has successfully completed and is holding a Certificate of Proficiency from BOPT, Eastern Region, Kolkata, your apprenticeship training period may count toward the requirement.
Q: What if I have studied in a subject with different spellings or nomenclature than mentioned in the notification?
A: The subject must match the prescribed qualification exactly as stated in the notification. If there's ambiguity, contact the OIL helpdesk for clarification at 022-61087555 (Monday-Friday, 10 AM-5 PM).
Q: Can I apply for multiple post codes?
A: You can apply for multiple post codes, but you must use a different email ID and mobile number for each application. Using the same email/mobile for multiple applications is not permitted.
Age Limit Questions
Q: What is the maximum age limit for Graduate Teacher posts?
A: The maximum age limit for Graduate Teachers is generally 30 years for General/ST category, with variations by post and category: SC/ST/OBC candidates may get 3-5 years additional relaxation as per the notification. The maximum age limit is 35 years for ST candidates in Geography post only.
Q: What is the maximum age limit for Post Graduate Teacher posts?
A: The maximum age limit for Post Graduate Teachers is 32 years for most posts in General category, with category-wise variations. For example, PGT (Education) is 37 years for ST; PGT (Accountancy) is 35 years for OBC; and PGT (Mathematics) is 35 years for OBC. Check the detailed age table for your specific post code.
Q: What is the maximum age limit for Instructor posts?
A: The maximum age limit for Instructor posts is 35 years for General/SC/ST candidates and 38 years for OBC candidates in the Mechanical post; 35 years across all categories for Chemical and Petroleum posts.
Q: What age relaxation is available for SC/ST candidates?
A: SC and ST candidates get a relaxation of 5 years over the maximum age limit prescribed for their respective posts.
Q: What age relaxation is available for OBC candidates?
A: OBC (Non-Creamy Layer) candidates get a relaxation of 3 years over the maximum age limit prescribed for their respective posts.
Q: What age relaxation is available for PwBD (Persons with Benchmark Disabilities)?
A: PwBD candidates get a relaxation of 10 years over the maximum age limit prescribed for their respective posts.
Q: How is date of birth verified?
A: Only the Date of Birth as mentioned in your Class 10 Admit Card, Pass Certificate, or Marksheet issued by a Government recognized Board will be considered valid. No other document will be accepted for verification of date of birth.
Q: Can Diploma Apprentices get additional age relaxation?
A: Yes, Diploma Apprentice candidates in Instructor posts who have successfully completed apprenticeship training in OIL and hold a Certificate of Proficiency from BOPT, Eastern Region, Kolkata, will be given additional age relaxation equal to the duration of apprenticeship training undergone, over and above the maximum age limit prescribed for their category.
Salary & Position Questions
Q: What is the salary for Graduate Teachers?
A: Graduate Teachers are in Grade-V with a pay scale of Rs. 32,000 - 1,27,000 per month.
Q: What is the salary for Post Graduate Teachers?
A: Post Graduate Teachers are in Grade-VII with a pay scale of Rs. 37,500 - 1,45,000 per month.
Q: What is the salary for Instructor posts?
A: Instructors are in Grade-VII with a pay scale of Rs. 37,500 - 1,45,000 per month.
Q: What is the salary for Librarian posts?
A: Librarians are in Grade-V with a pay scale of Rs. 32,000 - 1,27,000 per month.
Selection Process & Exam Questions
Q: What is the selection process for OIL Recruitment 2026?
A: The selection process has two stages: (1) Computer Based Test (CBT) of 2 hours carrying 100 marks, and (2) Document Verification of shortlisted candidates. Final selection is made in order of merit based on CBT marks, followed by appointment as Probationer for 12 months with subsequent confirmation on satisfactory performance.
Q: What is the exam pattern for the CBT?
A: The CBT consists of 100 marks with 2 hours duration and comprises 3 sections: Section A (20%) - General English, General Knowledge, OIL Company Questions; Section B (20%) - Reasoning, Mental Ability, Computer/Technical Knowledge; Section C (60%) - Subject-specific questions based on prescribed qualifications (for teachers, B.Ed. content included in 2:1 ratio). Questions are in MCQ format with NO negative marking.
Q: What is the qualifying mark for CBT?
A: The qualifying marks for CBT are 50% for General/OBC/EWS candidates and 40% for SC/ST/PwBD candidates. Merely securing qualifying marks does not make a candidate eligible for Document Verification; merit-based shortlisting will also be applied.
Q: In which languages will the CBT be conducted?
A: The CBT language varies by post code. For example: Hindi posts have Part C in Hindi; Assamese posts have Part C in Assamese; most others have all sections in both English and Assamese or English only. Check your specific post code in the notification for the exact language option.
Q: How will merit be determined if two candidates have the same CBT marks?
A: In case of a tie, the following tie-breaking criteria will be applied in order: (1) Candidate with more marks in Section C preferred; (2) If Section C marks equal, candidate with more marks in Section B preferred; (3) If Section B marks also equal, older candidate (by age) will be given preference.
Q: How many candidates will be shortlisted for Document Verification?
A: Candidates will be shortlisted in the ratio of 1:1 (for one vacancy, one candidate will be shortlisted) based on order of merit in the CBT, with due cognizance to reserved positions. The schedule for Document Verification will be intimated to shortlisted candidates through their registered email and mobile number.
Q: What is the penalty for negative marking in CBT?
A: There is NO negative marking in the CBT. Each correct answer will fetch you marks without any deduction for wrong or unattempted questions.
Q: What extra time is available for PwBD candidates in the CBT?
A: PwBD candidates are entitled to compensatory time of 20 minutes per hour of the examination, in addition to the standard 2-hour CBT duration. This means a total of 2 hours 40 minutes will be available to a PwBD candidate.
Q: Can I use a scribe for the CBT exam?
A: Yes, if you are a PwBD candidate with a physical limitation in writing, you can avail the scribe facility. You must have a certificate from a Competent Authority stating that you have a physical limitation to write and that a scribe is essential. The scribe's qualification should be one step below your own qualification, and the scribe must bring a recent colored photograph and original ID proof on the exam day. Candidates must arrange their own scribe at their own cost.
Document Verification & Appointment Questions
Q: What documents do I need to bring for Document Verification?
A: You must bring the downloaded application form and ALL ORIGINAL DOCUMENTS in the order specified in the notification, along with ONE SEPARATE SET OF SELF-ATTESTED photocopies of all documents in the same order. Failure to produce required documents will result in summary rejection.
Q: Will my documents be verified with issuing authorities?
A: Yes, all documents/certificates/testimonials submitted by candidates will be verified from the concerned issuing authorities. If any document is found to be false, fake, or incorrect, your candidature will be rejected and your name will be blacklisted for future OIL recruitment.
Q: What happens after Document Verification?
A: After successful Document Verification, final selection will be made in order of merit based on CBT marks, subject to fulfillment of all eligibility criteria as notified. Selected candidates will then undergo Pre-Employment Medical Examination (PEME).
Q: Is PEME (Pre-Employment Medical Examination) mandatory?
A: Yes, PEME is mandatory before final appointment. Your appointment is conditional on being declared medically fit as per OIL's prescribed standards. If you are not declared medically fit by the OIL Medical Board, your provisional selection will be cancelled. PEME can be conducted at OIL Hospital Duliajan, by a Government Medical Officer (Civil Surgeon rank or above), or by an Authorized Medical Officer of a company-empaneled hospital.
Q: What is the probation period after appointment?
A: Selected candidates will be appointed as 'Probationer' for a period of 12 months. Upon successful completion of the probationary period with satisfactory performance, the probationer will be confirmed.
Q: What happens if my performance during probation is unsatisfactory?
A: If your performance is unsatisfactory during the initial 12-month probation, the probationary period will be extended by 6 months. A second extension of 6 months can be granted if needed. However, if your performance remains unsatisfactory after two 6-month extensions (total 18 months), your appointment will be terminated.
Q: How will confirmation be granted?
A: Confirmation will be granted through an express letter that specifically mentions the advice of confirmation and the effective date of confirmation. There is no deemed or automatic confirmation at the end of the probationary period or any extended period of probation.
Q: What are the character and antecedents verification requirements?
A: Probationers are eligible for confirmation in the company only after verification of character and antecedents through appropriate authorities. If any adverse report is received or if false information is detected, the probationary appointment will be terminated/cancelled without notice, and the candidate may be liable for penal action under Bharatiya Nyaya Sanhita, 2023.
Employment Exchange & Location Questions
Q: Which employment exchanges are recognized for this recruitment?
A: Only candidates registered with the following employment exchanges are eligible: Chapakhowa (Sadiya), Dibrugarh, Digboi, Doomdooma, Duliajan, Moranhat, Namrup, Sonari, Sivasagar, Tinsukia, UEI&GB (Dibrugarh University), and Zila Sainik Welfare Office (Dibrugarh, Sivasagar) in Assam; and Miao/Bordumsa (Changlang) in Arunachal Pradesh. Additionally, Diploma Apprentice candidates with a Certificate of Proficiency from BOPT, Eastern Region, Kolkata, are also eligible for Instructor posts.
Q: Where will the selected candidates be posted?
A: The positions are available in Oil India Higher Secondary School at Duliajan & Moran, and Group Vocational Training Centre at OIL Field Headquarters. The exact posting location will be determined by OIL management.
Q: Do I need to be registered with an employment exchange to apply?
A: Yes, for almost all posts, you must be registered with one of the specified employment exchanges in OIL's operating areas. For Instructor posts, you can also be a Diploma Apprentice who has completed training at OIL with a Certificate of Proficiency from BOPT.
Important Information & Warnings
Q: What should I do if I receive a fake offer letter from someone claiming to be from OIL?
A: Beware of fraud! Oil India Limited warns all job seekers to be vigilant. OIL has well-laid-out transparent policies, and appointment letters are issued only at the conclusion of the official recruitment process. OIL does not authorize any person or organization outside OIL to offer any job on its behalf. If you receive a fake engagement or appointment letter, reject it immediately and report it to OIL's official website.
Q: Where will the final results be announced?
A: All results and announcements pertaining to this recruitment will be published on OIL's official website (www.oil-india.com) under the Career section. Candidate are advised to check the website regularly for updates. OIL will not publish results on any other website or medium.
Q: Can I apply if I don't have valid photo identity proof?
A: Candidates must carry valid photo identity proof (PAN Card, Driving License, Voter ID Card, Aadhaar Card, or Passport) along with their Employment Exchange Registration Card (or Certificate of Proficiency for Diploma Apprentices) to the CBT exam. Candidates without valid photo identity proof and Employment Exchange Registration Card/Certificate will not be allowed to appear for the CBT.
Q: What is the jurisdiction for any dispute regarding this recruitment?
A: Any dispute regarding the recruitment against this advertisement will be under the exclusive jurisdiction of Dibrugarh District Court only.
Q: Can the recruitment process be cancelled?
A: Yes, OIL Management reserves the right to cancel or reject the recruitment process without assigning any reason. No enquiry or correspondence will be entertained regarding eligibility, acceptance/rejection of applications, mode of selection, or cancellation decisions.
Important Links
| Apply Online | Click here |
| Official Notification (PDF) | Click here |
| Official Website | Click here |
| Check Exam Syllabus | www.oil-india.com (Career → Current Openings) |
| Download Scribe Certificate Format | www.oil-india.com (Career → Current Openings → Advertisement Information) |
| Helpdesk for Technical Issues | 022-61087555 (Monday-Friday, 10 AM-5 PM) |