Oil India Limited (OIL), a Maharatna Public Sector Undertaking under the Ministry of Petroleum and Natural Gas, has released Advertisement No. HRAQ/REC-EX-B/2026-03 dated 15 October 2026 for the OIL Executive Recruitment 2026. A total of 32 provisional vacancies have been announced for executive posts in Grade A, Grade B and Grade C, covering research science, mechanical and petroleum engineering, accounts and audit, official language and secretarial work. Online applications are open from 15 October 2026 (4:00 PM) to 14 November 2026 (11:00 AM). The minimum qualification varies by post, from B.E./B.Tech and postgraduate degrees to professional membership of ICAI/ICMAI. Read the notification for eligibility, selection process, pay scale and all other information.
Important Dates
| Event | Date |
|---|---|
| Notification Released (HRAQ/REC-EX-B/2026-03) | 15 October 2026 |
| Online Application Starts | 15 October 2026 (4:00 PM) |
| Last Date to Apply Online | 14 November 2026 (11:00 AM) |
| Cut-off Date for Age, Qualification and Experience | 14 November 2026 |
| Computer-Based Test (CBT) | 28 December 2026 (tentative) |
| Admit Card | To be notified |
Application Fee
| Category | Fee |
|---|---|
| General / OBC (Non-Creamy Layer) | Rs. 500 plus applicable taxes |
| SC / ST / PwBD / EWS / Ex-Servicemen | Nil |
The fee is payable online through the SBI e-Pay Lite payment gateway. The application fee is non-refundable once paid.
Vacancy Details
| Post Name | Post Code | Grade | UR | OBC | SC | ST | EWS | PwBD | Total |
|---|---|---|---|---|---|---|---|---|---|
| Superintending Research Scientist | CH-01 | C | 3 | 1 | 1 | 0 | 0 | 0 | 5 |
| Senior Officer (Mechanical) | ME-02 | B | 7 | 3 | 2 | 1 | 1 | 0 | 14 |
| Senior Officer (Petroleum) | PE-03 | B | 3 | 1 | 0 | 0 | 0 | 0 | 4 |
| Senior Accounts Officer / Senior Internal Auditor | AC-04 | B | 4 | 1 | 1 | 0 | 0 | 0 | 6 |
| Hindi Officer (Official Language) | HO-05 | A | 1 | 1 | 0 | 0 | 0 | 0 | 2 |
| Confidential Secretary | CS-06 | A | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| Total | 18 | 7 | 4 | 1 | 1 | 1 | 32 |
The 32 vacancies are provisional and may change. One Grade B vacancy is indicated as reserved for candidates with benchmark disabilities (PwBD), as shown in the breakup above. Refer to the official advertisement for the complete reservation details.
Eligibility Criteria
Superintending Research Scientist (CH-01): Ph.D. in Chemistry, Geology, Chemical Engineering or Petroleum Engineering, along with the relevant two-year Master’s degree with at least 60% marks, and four years of relevant post-qualification experience.
Senior Officer (Mechanical) (ME-02): Four-year B.E./B.Tech degree in Mechanical Engineering with at least 65% marks. Degrees in related disciplines such as Automobile, Production, Manufacturing, Mechatronics, Mining, Marine and Robotics Engineering are not accepted in place of the prescribed Mechanical Engineering qualification.
Senior Officer (Petroleum) (PE-03): Two-year Master’s degree in Petroleum Engineering/Technology with at least 60% marks, along with an engineering qualification at the graduation level.
Senior Accounts Officer / Senior Internal Auditor (AC-04): Associate Membership of the Institute of Chartered Accountants of India (ICAI) or the Institute of Cost Accountants of India (ICMAI).
Hindi Officer (Official Language) (HO-05): Postgraduate degree in Hindi, with three years of relevant post-qualification experience.
Confidential Secretary (CS-06): Graduation, plus a one-year or two-year diploma in Secretarial Practice, Modern Office Management, Executive Assistant or an equivalent discipline, with knowledge of computer applications, and two years of relevant post-qualification experience.
Equivalent qualifications, required subject combinations and detailed experience conditions must be confirmed from the official advertisement before applying.
Age Limit (as on 14/11/2026)
| Post Name | UR | OBC (NCL) | SC | ST |
|---|---|---|---|---|
| Superintending Research Scientist | 37 years | 40 years | 42 years | As per rules |
| Senior Officer (Mechanical) | 27 years | 30 years | 32 years | 32 years |
| Senior Officer (Petroleum) | 29 years | 32 years | As per rules | As per rules |
| Senior Accounts Officer / Senior Internal Auditor | 29 years | 32 years | 34 years | As per rules |
| Hindi Officer (Official Language) | 29 years | 32 years | As per rules | As per rules |
| Confidential Secretary | 37 years | 40 years | 42 years | 42 years |
Additional relaxation applies as per government rules for Ex-Servicemen (5 years), PwBD candidates, eligible PhD holders (3 years for Grade A and B posts) and eligible internal OIL candidates. The maximum age after all permissible relaxations cannot exceed 54 years.
Salary / Pay Scale
Selected candidates will receive salary according to the applicable executive grade, along with Industrial Dearness Allowance (IDA), House Rent Allowance (HRA), medical benefits and other admissible benefits under OIL rules. The reported pay scale ranges are:
- Grade A: Rs. 50,000 – Rs. 1,60,000
- Grade C: Rs. 80,000 – Rs. 2,20,000
- Grade B: UNCONFIRMED — the sources consulted do not state the Grade B scale separately; check the official advertisement.
This is a regular executive cadre recruitment with a one-year probation period. Grade B candidates (except one post) must sign a three-year service bond.
Selection Process
- Computer-Based Test (CBT)
- Personal Interview (for Grade B and Grade C posts) OR Proficiency Test / Skill Test (for Grade A posts)
- Document Verification
- Pre-Employment Medical Examination (PEME)
For Grade B and C posts, the final selection score is weighted as CBT 85 marks + Interview 15 marks. For Grade A posts, the skill test is qualifying in nature and the final merit is based on CBT marks alone. Candidates qualifying in the CBT are shortlisted for the interview in a 1:5 ratio and for the proficiency/skill test in a 1:2 ratio, in order of merit.
Exam Pattern
| Stage | Marks | Duration | Qualifying Marks |
|---|---|---|---|
| Computer-Based Test (CBT) | 100 | 1 hour 30 minutes | 50 for UR/OBC-NCL/EWS; 40 for SC/ST/PwBD |
| Personal Interview (Grade B/C) | 15 | — | No separate qualifying marks |
| Proficiency/Skill Test (Grade A) | 100 | — | 50 (qualifying only) |
Candidates with benchmark disabilities may receive compensatory time as per applicable guidelines. The Grade A skill test includes shorthand and transcription for Confidential Secretary, and translation, essay writing, computer application and bilingual typing components for Hindi Officer. The detailed subject-wise CBT syllabus is not specified in the advertisement — check the official notification.
Documents Required
- Recent passport-size colour photograph (JPG/JPEG, 100–200 KB, 3.5 cm x 4.5 cm, white background, not older than 3 months)
- Signature in black ink on white paper (JPG/JPEG, 80–150 KB)
- Active email ID and mobile number
- Class 10th certificate/marksheet (proof of date of birth)
- Educational degree/diploma certificates and mark sheets
- Work experience certificates (for posts with prescribed experience)
- Caste certificate (SC/ST/OBC-NCL), EWS certificate, PwBD certificate, Ex-Servicemen discharge certificate, as applicable
- No Objection Certificate for candidates employed in government departments or PSUs, as applicable
How to Apply
- Read the official notification carefully before filling the form.
- Visit the official Oil India Limited website at oil-india.com and open the Careers/Recruitment section.
- Locate Advertisement No. HRAQ/REC-EX-B/2026-03 for the Executive Recruitment 2026.
- Register with your personal details, a valid email address and mobile number, and verify them through the OTP process.
- Note the Application Sequence Number and password; log in to the application portal.
- Fill in personal, communication, educational qualification and work experience details.
- Upload the photograph, signature and other required documents in the prescribed format and size.
- Preview the completed form carefully — details cannot be edited after submission.
- Pay the application fee online through SBI e-Pay Lite, wherever applicable, and submit the form before 11:00 AM on 14 November 2026.
- Download and print the submitted application form for future reference.
Interested candidates can read the full notification before applying.
Some Useful Important Links
| Apply Online | Click Here |
| Download Notification | Click Here |
| Official Website | Click Here |
FAQs
Q1. How many vacancies are announced in the OIL Executive Recruitment 2026?
A total of 32 provisional vacancies across Grade A, B and C executive posts, under Advertisement No. HRAQ/REC-EX-B/2026-03.
Q2. What is the last date to apply for OIL Executive Recruitment 2026?
The online application link remains active until 11:00 AM on 14 November 2026.
Q3. What is the application fee?
Rs. 500 plus applicable taxes for General and OBC (Non-Creamy Layer) candidates; no fee for SC/ST/PwBD/EWS/Ex-Servicemen.
Q4. What is the selection process?
Computer-Based Test followed by a Personal Interview (Grade B and C) or a qualifying Proficiency/Skill Test (Grade A), then document verification and a pre-employment medical examination.
Q5. When is the CBT scheduled?
The Computer-Based Test is tentatively scheduled for 28 December 2026.
Q6. What is the age limit?
The upper age limit for Unreserved candidates ranges from 27 to 37 years depending on the post, calculated as on 14 November 2026, with relaxation for reserved categories.
Q7. Where will selected candidates be posted?
Primarily at the Field Headquarters, Duliajan, Assam, with transfer liability across OIL’s operational areas in India.
Sources: Oil India Limited Advertisement No. HRAQ/REC-EX-B/2026-03 dated 15 October 2026; oil-india.com.
We wish all candidates the best for their application.