Oil India Limited (OIL), a Maharatna Public Sector Undertaking, has announced a total of 32 vacancies for Grade A, Grade B, and Grade C posts, namely Superintending Research Scientist, Senior Officer (Mechanical), Senior Officer (Petroleum), Senior Accounts Officer / Senior Internal Auditor, Hindi Officer, and Confidential Secretary posts. Oil India CBT exam will be conducted on 28 December 2026.
The online application process for Oil India Recruitment 2026 has started on the official website https://www.oil-india.com/, and the application link will remain active till 14 November 2026. Interested candidates can check complete details from the article.
Oil India Recruitment 2026 Notification PDF Out
Candidates interested in applying for Oil India Grade A, B & C posts in the Executive Cadre in OIL can check complete details through the notification PDF released at https://www.oil-india.com/. Candidates are recruited based on their performance in the Computer-Based Test (CBT), followed by an interview or proficiency/skill test.
Oil India Recruitment 2026- Highlights
| Particulars | Details |
| Organization Name | Oil India Limited (OIL) |
| Post Name | Grade A, B & C Various Posts |
| Advt. No. | HRAQ/REC-EX-B/2026-03 |
| Vacancy | 32 |
| Job Category | PSU Jobs |
| Registration Dates | 15 October to 14 November 2026 |
| Application Fee | UR/ OBC – Rs. 500/- Others – Nil |
| Selection Process | Computer-Based Test (CBT), followed by an interview or proficiency/skill test |
| Salary | Post Wise |
| Job Location | Duliajan, Assam, and other operational areas |
| Official Website | https://www.oil-india.com/ |
Oil India Recruitment 2026- Important Dates
Candidates must be aware of important dates for the Oil India Vacancy to avoid missing any deadlines. As per the schedule, the application link will remain active till 14 November 2026.
| Events | Dates |
| Notification release date | 15 October 2026 |
| Apply Online Starts | 15 October 2026 |
| Last Date to Apply | 14 November 2026 |
| Exam Date | 28 December 2026 |
Oil India Limited Vacancy 2026
Oil India Limited (OIL) has announced a total of 32 vacancies for Grade A, Grade B, and Grade C posts, including Superintending Research Scientist, Senior Officer (Mechanical), Senior Officer (Petroleum), Senior Accounts Officer / Senior Internal Auditor, Hindi Officer, and Confidential Secretary.
| Post Name | Total | UR | OBC | SC | ST | EWS |
|---|---|---|---|---|---|---|
| Superintending Research Scientist [CH-01] | 05 | 03 | 01 | 01 | – | – |
| Senior Officer (Mechanical) [ME-02] | 14 | 07 | 03 | 02 | 01 | 01 |
| Senior Officer (Petroleum) [PE-03] | 04 | 03 | 01 | – | – | – |
| Senior Accounts Officer / Senior Internal Auditor [AC-04] | 06 | 04 | 01 | 01 | – | – |
| Hindi Officer (Official Language) [HO-05] | 02 | 01 | 01 | – | – | – |
| Confidential Secretary [CS-06] | 01 (PwBD-01 Backlog) | – | – | – | – | – |
Eligibility Criteria for Oil India Recruitment 2026
Before applying for Oil India Limited Recruitment 2026, candidates must be aware of detailed eligibility parameters in terms of educational qualification and age limit. Candidates who fails to full fill eligibility their application will be rejected at any stage of selection process.
Educational Qualification
| Post Name | Educational Qualification |
| Superintending Research Scientist (Grade C) | Ph.D. in Chemistry with M.Sc. in Chemistry of min. 2 years duration with 60 % marks (OR) Ph.D. in Geology with Master’s Degree in Geology/Applied Geology of min. 2 years duration with 60 % marks; (OR) Ph.D. in Chemical Engineering with Master’s Degree |
| Senior Officer (Mechanical) (Grade B) | Candidates must have completed a Bachelor’s Degree in Mechanical Engineering of a minimum 04-year duration with a minimum of 65% marks (Excluding Automation / Automobile/ Industrial /Power / Manufacturing / Production / Mechatronics / Mining / Marine / Robotics Engineering etc.) |
| Senior Officer (Petroleum) (Grade B) | Candidates must have a Master’s degree in Petroleum Engineering / Technology of minimum 02 years duration with minimum 60% marks and having an engineering degree at Graduation level |
| Senior Accounts Officer / Senior Internal Auditor (Grade B) | Candidates must be an Associate Member of ICAI / ICMAI |
| Hindi Officer (Official Language) (Grade A) | Post Graduate Degree in Hindi (AND) Minimum 03 years of post-qualification relevant work experience |
| Confidential Secretary (Grade A) | 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 applications. |
Age Limit (As on 14/11/2026)
Check post-wise upper age limit from the table below.
| Post Name | UR | OBC | SC/ST |
| Superintending Research Scientist (Grade C) | 37 years | 40 years | 42 years |
| Senior Officer (Mechanical) (Grade B) | 27 years | 30 years | 32 years |
| Senior Officer (Petroleum) (Grade B) | 29 years | 32 years | — |
| Senior Accounts Officer / Senior Internal Auditor (Grade B) | 29 years | 32 years | 34 years |
| Hindi Officer (Official Language) (Grade A) | 29 years | 32 years | — |
| Confidential Secretary (Grade A) | 37 years | 40 years | 42 years |
Oil India Application Form 2026 Link
The online application portal for accepting applications for the Oil India Limited Exam has begun on 15 October 2026 at the official website https://www.oil-india.com/. The application will be accpted online only through any other means will not be accepted under any circumstances. Make sure to complete the online form on or before 14 November 2026 to avoid last-minute technical glitches.
How to Apply Online for Oil India Limited Recruitment 2026?
Candidates must follow the steps below to apply for Oil India Limited Recruitment 2026:
- Go to Oil India Limited’s official website, www.oil-india.com.
- Click on the recruitments/advertisement tab.
- Look for the relevant recruitment advertisement, HRAQ/REC-EX-B/2026-03.
- Read the notification and ensure that you are eligible for the chosen post.
- Open the link to the online application form provided in the recruitment advertisement.
- Fill the registration form with your personal and contact details.
- Fill in the required qualifications, experience, and other details in the application form.
- Attach the required photograph, signature, and other documents in the prescribed form.
- Pay the application fee (if any) to the notified accounts by category.
- Review the filled-out application form before submitting.
- Submit the application form, and ensure you save/print the confirmation page.
Oil India Limited Application Fee 2026
Candidates have to pay an application fee as per their category to complete the application. Candidaes from SC, ST, and EWS categories are exempted from paying the fee.
| Category | Application Fee |
| General / OBC (NCL) | Rs 500/- |
| Others | Nil |
Oil India Limited Grade A, B, C Selection Process 2026
The selection process for Grade A, B, C posts includes the following selection stages.
- Computer Based Test (CBT)
- Personal Interview (PI)
| Post Name | Selection Stage | Total Marks | Contribution to Final Score |
Qualifying Marks |
| Group C and B | Computer Based Test (CBT) |
160 | 85 | UR and OBC – 45 SC, ST & PwBD – 40 |
| Interview | 15 | 15 | No qualifying marks | |
| Group A | Computer Based Test (CBT) |
100 | 100 | UR and OBC – 45 SC, ST & PwBD – 40 |
| Proficiency Test / Skill Test |
100 | Qualifying | 50 |
Oil India Exam Pattern 2026
Candidates appearing for Oil India Limited Recruitment Examination must be aware of the exam structure, including the total number of questions, total marks, exam duration etc.
| Particulars | Details |
| Mode of Exam | Computer-based mode |
| Type of Questions | Objective Type Multiple Choice Questions |
| Total Questions | 100 |
| Total Marks | 100 |
| Time Duration | 1 hour 30 minutes |
Oil India Limited Grade Salary 2026
Candidates selected for Superintending Research Scientist, Senior Officer, Senior Accounts Officer / Senior Internal Auditor, Hindi Officer, and Confidential Secretary posts will be offered the monthly salary along with various allowances and perks.
| Grade | Pay Scale | Gross Monthly Emoluments |
| Grade C | Rs. 80,000/- to Rs. 2,20,000/- | Rs. 1,50,000/- |
| Grade B | Rs. 60,000/- to Rs. 1,80,000/- | Rs. 1,20,000/- |
| Grade A | Rs. 50,000/- to Rs. 1,60,000/- | Rs. 90,000/- |
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