Oil India Limited (OIL), a prestigious Maharatna Public Sector Undertaking, has announced the OIL Recruitment 2026 for 32 Grade A, B & C vacancies. This is an excellent opportunity for eligible candidates to join a leading energy sector PSU. The online application process commenced on 15 October 2026, with the final submission date set for 14 November 2026. Interested applicants should review the official notification thoroughly before applying.
Table of Contents
Overview Table
| ProJobAlert.com | |
| Oil India Limited Grade A, B & C Recruitment Advertisement No.: HRAQ/REC-EX-B/2026-03 | |
| Recruitment Authority | Oil India Limited (OIL) |
| Post Name | Superintending Research Scientist, Senior Officer (Mechanical/Petroleum), Senior Accounts Officer / Senior Internal Auditor, Hindi Officer, Confidential Secretary (Grade A, B & C) |
| Total Vacancies | 32 |
| Job Location | Across India (Primarily Duliajan, Assam) |
| Start Date to Apply | 15 October 2026 |
| Last Date to Apply | 14 November 2026 |
| Qualification | Ph.D., Master's Degree, Bachelor's Degree in Engineering, Associate Member of ICAI/ICMAI, Graduate with Diploma |
| Download Notification | Click Here |
| Official Website | Click Here |
| Apply Online Now | |
Important Dates
- Notification Released: 15 October 2026
- Application Start: 15 October 2026
- Last Date to Apply: 14 November 2026
- Exam Date (CBT): 28 December 2026 (Tentative)
- Admit Card: To be Notified
- Cut-off Date for Eligibility: 14 November 2026
Application Fees
- General / OBC (NCL): Rs. 500/- + Applicable Taxes
- SC / ST / PwBD / EWS / Ex-Servicemen: Nil
Age Limit as on 14/11/2026
- Minimum Age: Not Specified
- Maximum Age: Varies by Post (27-42 years)
- Age Relaxation:
- SC/ST: 5 years
- OBC (NCL): 3 years
- PwBD: As per Govt. rules
- Ex-Servicemen: 5 years
- J&K Domiciled (1980-1989): 5 years
- Internal OIL Candidates: Upto 54 years
- Ph.D. in relevant discipline: 3 years (for Grade A & B posts)
Qualification Details
- Superintending Research Scientist (Grade C): Ph.D. in Chemistry/Geology/Chemical Engineering/Petroleum Engineering with relevant M.Sc./Master's Degree and 4 years experience.
- Senior Officer (Mechanical) (Grade B): Bachelor’s Degree in Mechanical Engineering (min. 4 years duration with 65% marks).
- Senior Officer (Petroleum) (Grade B): Master’s Degree in Petroleum Engineering/Technology (min. 2 years duration with 60% marks) and Engineering Degree at Graduation level.
- Senior Accounts Officer / Senior Internal Auditor (Grade B): Associate Member of ICAI / ICMAI.
- Hindi Officer (Official Language) (Grade A): Post Graduate Degree in Hindi with 3 years relevant work experience.
- Confidential Secretary (Grade A): Graduate with 1/2 years Diploma in Secretarial Practice/Modern Office Management/Executive Assistant Diploma with computer knowledge and 2 years relevant experience.
Full Eligibility Criteria
Candidates applying for Oil India Limited Recruitment 2026 must meet specific educational qualifications, age limits, and, for some posts, relevant work experience as of 14 November 2026. Ensure all criteria are fulfilled before proceeding with the application.
| Post Name & Post Code | No. of Posts | Grade & Pay Scale | Upper Age Limit (as on 14/11/2026) | Minimum Essential Educational Qualification | Minimum Essential Post Qualification Relevant Work Experience (as on 14/11/2026) |
|---|---|---|---|---|---|
| Superintending Research Scientist (CH-01) | 05 | Grade C ₹80000-220000 | UR: 37 OBC(NCL): 40 SC: 42 | Ph.D. in Chemistry with M.Sc. in Chemistry (min. 2 years, 60% marks) OR Ph.D. in Geology with Master's Degree in Geology/Applied Geology (min. 2 years, 60% marks) OR Ph.D. in Chemical Engineering with Master's Degree in Chemical Engineering (min. 2 years, 60% marks) OR Ph.D. in Petroleum Engineering with Master's Degree in Petroleum Engineering (min. 2 years, 60% marks). | 04 years |
| Senior Officer (Mechanical) (ME-02) | 14 | Grade B ₹60000-180000 | UR: 27 OBC(NCL): 30 SC: 32 ST: 32 EWS: 27 | Bachelor’s Degree in Mechanical Engineering of minimum 04 years duration with minimum 65% marks (Excluding Automation / Automobile/ Industrial / Power / Manufacturing / Production / Mechatronics / Mining / Marine / Robotics Engineering etc.) | Not Applicable |
| Senior Officer (Petroleum) (PE-03) | 04 | Grade B ₹60000-180000 | UR: 29 OBC(NCL): 32 | Master’s degree in Petroleum Engineering / Technology of minimum 02 years duration with minimum 60% marks and having Engineering at Graduation level. | Not Applicable |
| Senior Accounts Officer / Senior Internal Auditor (AC-04) | 06 | Grade B ₹60000-180000 | UR: 29 OBC(NCL): 32 SC: 34 | Associate Member of ICAI / ICMAI | Not Applicable |
| Hindi Officer (Official Language) (HO-05) | 02 | Grade A ₹50000-160000 | UR: 29 OBC(NCL): 32 | Post Graduate Degree in Hindi. | 03 years |
| Confidential Secretary (CS-06) | 01 | Grade A ₹50000-160000 | GEN/EWS: 37 OBC(NCL): 40 SC/ST: 42 | Graduate with 01/02 years Diploma in Secretarial Practice OR Modern Office Management /Secretarial Practice OR Executive Assistant Diploma OR equivalent with knowledge of computer application. | 02 years |
Physical Fitness Criteria
Provisionally selected candidates must undergo a Pre-Employment Medical Examination (PEME) to be declared medically fit. Appointment is contingent upon meeting the prescribed physical fitness standards by the Company's Medical Board.
| Aspect | Details |
|---|---|
| Medical Examination | Mandatory Pre-Employment Medical Examination (PEME) at OIL Hospital, Duliajan, Assam, or by a Government Medical Officer (not below Civil Surgeon rank), or an Authorized Medical Officer of an empanelled hospital. |
| Fitness Standard | Candidates must be declared medically fit as per standards prescribed on OIL’s website. |
| Consequence of Unfitness | Appointment will be cancelled if not found medically fit by the Company's Medical Board. |
Salary / Pay Scale
Selected candidates for Oil India Limited will receive an attractive salary package based on their grade, along with various allowances and perks. The pay scales are competitive within the PSU sector.
| Grade | Pay Scale (IDA Pattern) | Approximate Gross Monthly Emoluments |
|---|---|---|
| Grade C | ₹80,000/- to ₹2,20,000/- (E5) | ₹1,50,000/- |
| Grade B | ₹60,000/- to ₹1,80,000/- (E3) | ₹1,20,000/- |
| Grade A | ₹50,000/- to ₹1,60,000/- (E2) | ₹90,000/- |
- In addition to Basic Pay and Industrial DA, benefits include HRA or Company leased/self-lease accommodation, free medical benefits for self & dependents, Gratuity/PF, House Building Loan, Vehicle Loan, Group Insurance, etc., as per company rules.
- Provisionally selected candidates will serve a probationary period of one year.
- Candidates for Grade B (except AC-04) will be appointed under the 'Scheme for Induction Level Engineers/Officers on Probation'.
Selection Process
The Oil India Limited Selection Process 2026 involves a Computer Based Test (CBT) for all posts. Depending on the grade, this is followed by either a Personal Interview (PI) or a Proficiency Test / Skill Test.
For Grade B & C Posts (CH-01, ME-02, PE-03, AC-04)
| Phase | Selection Test | Total Marks | Contribution to Final Score | Qualifying Marks |
|---|---|---|---|---|
| Phase-I | Computer Based Test (CBT) | 100 | 85 Marks | UR/OBC(NCL)/EWS: 50 out of 100 SC/ST/PwBD: 40 out of 100 |
| Phase-II | Personal Interview (PI) | 15 | 15 Marks | No qualifying marks |
- The CBT duration will be 1 hour 30 minutes.
- Candidates qualifying in CBT will be called for PI in a 1:5 ratio based on CBT marks.
- Final Score = (CBT Marks obtained out of 100 × 0.85) + PI Marks obtained out of 15.
For Grade A Posts (HO-05, CS-06)
| Phase | Selection Test | Total Marks | Contribution to Final Selection | Qualifying Marks |
|---|---|---|---|---|
| Phase-I | Computer Based Test (CBT) | 100 | 100 Marks | UR/OBC(NCL): 50 out of 100 PwBD: 40 out of 100 |
| Phase-II | Proficiency Test / Skill Test | 100 | Qualifying Only (No Weightage) | 50 out of 100 |
- The CBT duration will be 1 hour 30 minutes.
- Candidates qualifying in CBT will be shortlisted for Proficiency Test / Skill Test in a 1:2 ratio.
- Proficiency Test / Skill Test is qualifying in nature; candidates must secure minimum 50 marks.
- Final merit list will be based solely on CBT marks for those who qualify the Skill Test.
Exam Pattern
The Oil India Limited CBT 2026 will assess candidates on various subjects relevant to the posts. The test will be conducted online, with specific qualifying marks for different categories.
| Section | Subjects | Number of Questions | Maximum Marks | Duration |
|---|---|---|---|---|
| General Awareness & General Knowledge | Current Affairs, Indian History, Geography, Polity, Economy, Science | To be Notified | To be Notified | 1 Hour 30 Minutes (Total) |
| Reasoning & Numerical Ability | Logical Reasoning, Data Interpretation, Quantitative Aptitude | To be Notified | To be Notified | |
| English Language | Grammar, Vocabulary, Comprehension | To be Notified | To be Notified | |
| Domain Knowledge | Specific to the respective engineering/technical/functional discipline | To be Notified | To be Notified |
- The CBT will be a Computer Based Test (CBT).
- Exact distribution of questions and marks per subject will be detailed in the Admit Card or a separate notice.
- Compensatory time will be provided for PwBD candidates as per Government guidelines.
Post / Category Wise Vacancy Details
Oil India Limited has released a total of 32 vacancies across various Grade A, B & C posts. The distribution of these vacancies across different categories (UR, OBC, SC, ST, EWS, PwBD) is detailed below.
| SN | Post Name & Post Code | Grade | UR | OBC(NCL) | SC | ST | EWS | PwBD | Total Posts | Pay Scale |
|---|---|---|---|---|---|---|---|---|---|---|
| 1. | Superintending Research Scientist (CH-01) | C | 03 | 01 | 01 | - | - | - | 05 | ₹80000-220000 |
| 2. | Senior Officer (Mechanical) (ME-02) | B | 07 | 03 | 02 | 01 | 01 | - | 14 | ₹60000-180000 |
| 3. | Senior Officer (Petroleum) (PE-03) | B | 03 | 01 | - | - | - | - | 04 | ₹60000-180000 |
| 4. | Senior Accounts Officer / Senior Internal Auditor (AC-04) | B | 04 | 01 | 01 | - | - | - | 06 | ₹60000-180000 |
| 5. | Hindi Officer (Official Language) (HO-05) | A | 01 | 01 | - | - | - | - | 02 | ₹50000-160000 |
| 6. | Confidential Secretary (CS-06) | A | - | - | - | - | - | 01 (Backlog) | 01 | ₹50000-160000 |
| Total | 18 | 07 | 04 | 01 | 01 | 01 | 32 | |||
Job Profile & Responsibility
The roles within Oil India Limited are diverse, ranging from scientific research to administrative support. Each position carries significant responsibilities crucial to the company's operations and strategic objectives in the energy sector.
| Post Name | Key Responsibilities |
|---|---|
| Superintending Research Scientist | Conducting research, analytical, experimental, and technology development activities in oil & gas, energy, chemicals, or materials. Designing, executing, and monitoring research projects; analyzing data; validating results; providing scientific and engineering solutions. Operating and managing laboratory/pilot plant facilities. Preparing technical reports, SOPs, publications, and patents. Ensuring compliance with HSE requirements and GLP. Coordinating multidisciplinary R&D and supervising personnel. |
| Hindi Officer (Official Language) | Ensuring implementation and promotion of Official Language (Rajbhasha) policies. Translation of official documents, reports, and communications between Hindi and English. Monitoring and reporting on Official Language implementation. Preparation and vetting of bilingual documents and terminology. Maintaining records and handling administrative responsibilities related to Rajbhasha work. |
| Confidential Secretary | Managing confidential correspondence, scheduling and coordination of meetings, handling office documentation, liaison with internal and external stakeholders. Providing administrative support to senior executives. Proficiency in Shorthand and transcription is essential. |
| Senior Officer (Mechanical/Petroleum) | Involving technical and operational roles within their respective engineering disciplines, contributing to project execution, maintenance, and strategic planning in oil exploration and production. |
| Senior Accounts Officer / Senior Internal Auditor | Managing financial records, auditing processes, ensuring compliance with accounting standards and internal controls, and providing financial insights for decision-making. |
- All selected candidates will be posted in any of the operational areas/offices of Oil India Limited, with services being transferable.
- The roles involve contributing to a Maharatna PSU, offering significant career growth and exposure to the oil and gas industry.
How to Apply
Candidates interested in the Oil India Limited Recruitment 2026 must apply online through the official application portal. Follow the detailed steps below to ensure a successful application submission before 14 November 2026.
- Visit the official Oil India Limited website or use the direct "Apply Online" link provided in the Important Links section.
- Click on the "To Register" hyperlink to initiate the registration process.
- Fill in all required Personal Details and Contact Details accurately and click "Generate OTP".
- Enter the OTPs received on your Mobile No. & E-mail ID to verify them.
- Agree to the terms & conditions, re-verify the entered details, and click "Submit".
- Upon successful registration, you will receive an Application Sequence No. (User ID) & Password via email/SMS.
- Click "Go To Application" or re-login using your User ID and Password to proceed to Step-II.
- Complete the application form by filling in Personal Details, Additional Details, Communication Details, Qualification Details, Experience Details, and Declaration.
- Upload scanned copies of your recent passport size color photograph (100-200 KB, JPG/JPEG, 3.5cm x 4.5cm) and signature (80-150 KB, JPG/JPEG, black ink on white paper).
- Preview your application to ensure all particulars are correct. Make any necessary edits before final submission.
- After submission, you will be redirected to the SBI e-Pay Lite Payment Gateway to pay the application fee (if applicable).
- Complete the payment process. SC/ST/PwBD/EWS/Ex-Servicemen candidates are exempted from fees.
- After successful payment, print a copy of your submitted Application Form and Payment Acknowledgement Slip for future reference.
- Ensure only one application is submitted per post. Multiple applications will lead to the consideration of only the most recent one.
Important Links
| Apply Online | Click Here |
| Download Notification PDF | Click Here |
| Official Website | Click Here |
| Latest Govt Jobs 2026 | Click Here |
| Assam Jobs | Click Here |
| AS PSU Jobs | Click Here |
Frequently Asked Questions (FAQs)
What is the total number of vacancies in Oil India Limited Recruitment 2026?
Oil India Limited has announced a total of 32 vacancies for various Grade A, B & C posts in the 2026 recruitment drive.
What are the important dates for Oil India Limited application?
The online application started on 15 October 2026, and the last date to apply is 14 November 2026. The tentative CBT date is 28 December 2026.
What is the application fee for UR/OBC candidates?
General and OBC (NCL) candidates need to pay an application fee of Rs. 500/- plus applicable taxes. SC/ST/PwBD/EWS/Ex-Servicemen candidates are exempted from the fee.
What is the selection process for Grade B & C posts?
The selection process for Grade B & C posts includes a Computer Based Test (CBT) followed by a Personal Interview (PI). The final score is calculated based on 85% from CBT and 15% from PI.
Are there any age relaxations available?
Yes, age relaxations are applicable for various categories including SC/ST, OBC (NCL), PwBD, Ex-Servicemen, J&K domiciled candidates, and internal OIL candidates. Candidates with a Ph.D. in a relevant discipline also receive a 3-year age relaxation for Grade A & B posts.
Where will the selected candidates be posted?
Provisionally selected candidates can be posted in any of the operational areas/offices of Oil India Limited across India, with primary postings expected at Field Headquarters, Duliajan, Assam. Services are transferable.
What is the official website for Oil India Limited Recruitment 2026?
The official website for Oil India Limited is https://www.oil-india.com/. All important updates and announcements will be published there.