Last Updated: 18 October 2026
Table of Contents
The Oil India Limited Recruitment 2026 notification has officially opened doors for 32 vacancies across Grade A, Grade B, and Grade C executive posts, including Superintending Research Scientist, Senior Officer (Mechanical), Senior Officer (Petroleum), Senior Accounts Officer, Hindi Officer, and Confidential Secretary. Issued under Advertisement No. HRAQ/REC-EX-B/2026-03 dated 15 October 2026, this is one of the most significant Maharatna PSU recruitment drives this year, with most postings based at OIL’s Field Headquarters in Duliajan, Assam. If you are a job seeker in Assam with a technical, scientific, or administrative background, this notification deserves a close look.
This article breaks down everything you need — eligibility, pay scale, selection process, application fee, and important dates — in simple tables so you can quickly check whether you qualify and plan your application accordingly.
Oil India Limited Recruitment 2026: Quick Overview
| Particulars | Details |
|---|---|
| Organisation | Oil India Limited (Maharatna PSU) |
| Advertisement No. | HRAQ/REC-EX-B/2026-03 |
| Notification Date | 15/10/2026 |
| Total Vacancies | 32 Posts (Grade A, B & C) |
| Job Location | Primarily Field Headquarters, Duliajan, Assam (transferable) |
| Mode of Application | Online only, via OIL’s official website |
| Application Window | 15/10/2026 to 14/11/2026 |
| Selection Process | CBT + Personal Interview / Proficiency Test |
| Official Website | www.oil-india.com |
Post-Wise Vacancy, Grade & Pay Scale Details
The recruitment is split across three grades with different qualification and experience requirements. Here’s a consolidated look at the posts on offer.
| Post Name | Grade | No. of Posts | Pay Scale (₹) |
|---|---|---|---|
| Superintending Research Scientist (CH-01) | C | 05 | 80,000 – 2,20,000 |
| Senior Officer (Mechanical) (ME-02) | B | 14 | 60,000 – 1,80,000 |
| Senior Officer (Petroleum) (PE-03) | B | 04 | 60,000 – 1,80,000 |
| Senior Accounts Officer / Senior Internal Auditor (AC-04) | B | 06 | 60,000 – 1,80,000 |
| Hindi Officer (Official Language) (HO-05) | A | 02 | 50,000 – 1,60,000 |
| Confidential Secretary (CS-06) | A | 01 (PwBD Backlog) | 50,000 – 1,60,000 |
Note: The number of posts is provisional, as mentioned in the official notification, and may change based on the company’s actual requirement at the time of final selection.
Category-Wise Reservation Breakup
| Post | UR | OBC-NCL | SC | ST | EWS |
|---|---|---|---|---|---|
| Superintending Research Scientist | 03 | 01 | 01 | – | – |
| Senior Officer (Mechanical) | 07 | 03 | 02 | 01 | 01 |
| Senior Officer (Petroleum) | 03 | 01 | – | – | – |
| Senior Accounts Officer | 04 | 01 | 01 | – | – |
| Hindi Officer | 01 | 01 | – | – | – |
| Confidential Secretary | PwBD-01 (Backlog) | – | |||
Eligibility Criteria: Educational Qualification & Age Limit
Each post under this OIL recruitment drive comes with a distinct qualification and experience requirement. Candidates should read this carefully, because OIL has clearly stated that no variation in the qualification nomenclature will be accepted.
| Post | Minimum Qualification | Experience Required | Upper Age Limit (UR) |
|---|---|---|---|
| Superintending Research Scientist | Ph.D. in Chemistry/Geology/Chemical Engg./Petroleum Engg. with relevant Master’s (60% marks) | Min. 4 years post-qualification experience | 37 years |
| Senior Officer (Mechanical) | B.E./B.Tech in Mechanical Engineering (4 yrs, 65% marks) | Not applicable (fresh entry) | 27 years |
| Senior Officer (Petroleum) | Master’s in Petroleum Engineering/Technology (60% marks) with Engineering graduation | Not applicable | 29 years |
| Senior Accounts Officer | Associate Member of ICAI / ICMAI | Not applicable | 29 years |
| Hindi Officer | Post Graduate Degree in Hindi | Min. 3 years relevant experience | 29 years |
| Confidential Secretary | Graduate + Diploma in Secretarial Practice/Office Management | Min. 2 years relevant experience | 37 years (GEN/EWS) |
Age relaxation applies as per government norms — 5 years for OBC-NCL, 10 years for SC/ST, and additional relaxation for PwBD, Ex-Servicemen, and candidates domiciled in Jammu & Kashmir between 1980–1989. Importantly, the final age limit after all relaxations cannot exceed 54 years for any candidate, internal or external.
Application Fee Structure
| Category | Application Fee |
|---|---|
| General / OBC (NCL) | ₹500 + applicable taxes |
| SC / ST / PwBD / EWS / Ex-Servicemen | Nil (Exempted) |
Payment must be made online through the SBI e-Pay Lite gateway during the application process itself. Once paid, the fee is non-refundable under any circumstances, so candidates should confirm their eligibility before proceeding to payment.
Selection Process Explained
Oil India Limited has designed two different selection patterns depending on the grade of the post. Understanding this distinction matters because the weightage given to the interview or skill test varies significantly.
For Grade C and Grade B Posts (Research Scientist & Senior Officer posts)
| Phase | Test | Total Marks | Contribution to Final Score | Qualifying Marks |
|---|---|---|---|---|
| Phase I | Computer Based Test (CBT) | 100 | 85 Marks | 50/100 (UR, OBC-NCL, EWS); 40/100 (SC/ST/PwBD) |
| Phase II | Personal Interview (PI) | 15 | 15 Marks | No qualifying marks |
Final Score = (CBT Marks × 0.85) + PI Marks obtained out of 15. Candidates qualifying the CBT will be called for interview in a 1:5 ratio based on CBT marks.
For Grade A Posts (Hindi Officer & Confidential Secretary)
| Phase | Test | Total Marks | Role in Final Merit | Qualifying Marks |
|---|---|---|---|---|
| Phase I | Computer Based Test (CBT) | 100 | Sole basis of merit list | 50/100 (UR, OBC-NCL); 40/100 (PwBD) |
| Phase II | Proficiency/Skill Test | 100 | Qualifying only, no weightage | 50/100 |
For Hindi Officer, the skill test covers translation, essay writing, computer application, and bilingual typing. For Confidential Secretary, it focuses on shorthand and transcription speed. The CBT duration for all posts is 1 hour 30 minutes, with compensatory time provided to PwBD candidates as per government norms.
Important Dates to Remember
| Event | Date |
|---|---|
| Opening of online application | 16:00 hrs, 15/10/2026 |
| Last date to apply online | 11:00 hrs, 14/11/2026 |
| Cut-off date for age, experience & qualification | 14/11/2026 |
| Date of Computer Based Test (Tentative) | 28/12/2026 |
Candidates are strongly advised not to wait until the last day to apply, as server congestion close to the deadline is common with large-scale PSU recruitment drives.
Pay & Allowances: What You Actually Take Home
Beyond the basic pay scale, selected candidates get Industrial DA, HRA or company-leased accommodation, free medical benefits, Provident Fund, Gratuity, House Building Loan, Vehicle Loan, and Group Insurance. As a rough guide shared in the official notification, approximate gross emoluments at the minimum of scale are around ₹1,50,000 for Grade C, ₹1,20,000 for Grade B, and ₹90,000 for Grade A — figures that make these among the better-paying PSU openings available to candidates in Assam and the wider Northeast this year.
Common Mistakes Candidates Should Avoid
Many applicants lose their chance not because they are unqualified, but due to avoidable errors. Based on past PSU recruitment patterns, here is what to watch out for:
- Submitting incomplete experience proof: OIL requires an experience letter plus two supporting documents (pay slip, PF statement, promotion order, etc.). Missing any of these can get your candidature rejected at verification stage.
- Applying without checking equivalent qualification clauses: The notification explicitly states that no variation in qualification nomenclature is accepted — double-check your degree title matches exactly.
- Ignoring the NOC requirement: If you are already employed in a Government department or PSU, you must produce a No Objection Certificate at the interview stage, or at least submit an undertaking.
- Using a shared or temporary email/mobile number: OIL sends all communication, including admit cards, via the registered email and mobile number — these cannot be changed later.
- Delaying document scanning: Photograph and signature specifications (size, format, dimensions) are strict. Keep these ready before you start the form.
Step-by-Step: How to Apply for OIL Recruitment 2026
- Visit the official Oil India Limited website (www.oil-india.com) and locate the careers/recruitment section.
- Register using a valid personal email ID and mobile number to generate your Application Sequence Number and password.
- Re-login and fill in Personal Details, Qualification Details, Experience Details, and Communication Details.
- Upload your scanned photograph (3.5cm x 4.5cm, JPG/JPEG, 100–200 KB) and signature (80–150 KB).
- Preview your application carefully — once submitted, no edits are allowed.
- Pay the applicable application fee via the SBI e-Pay Lite gateway, if applicable to your category.
- Download and save the final submitted application form (PDF) for your records.
Frequently Asked Questions
What is the last date to apply for Oil India Limited Recruitment 2026?
The online application window closes at 11:00 hours on 14 November 2026. Candidates should apply well before this deadline to avoid last-minute technical issues on the application portal.
How many vacancies are there in the Oil India Limited Recruitment 2026 notification?
There are 32 vacancies in total, spread across Grade C (Superintending Research Scientist), Grade B (Senior Officer Mechanical, Senior Officer Petroleum, Senior Accounts Officer), and Grade A (Hindi Officer and Confidential Secretary) posts.
What is the application fee for OIL India Recruitment 2026?
General and OBC (NCL) candidates must pay ₹500 plus applicable taxes. SC, ST, PwBD, EWS, and Ex-Servicemen candidates are fully exempted from paying the application fee.
Where will selected candidates be posted?
Most vacancies are projected for Field Headquarters, Duliajan, Assam, although OIL reserves the right to post selected candidates at any of its operational areas across India depending on organisational requirements, and the service is transferable.
Is there an interview for all posts under this recruitment?
Not exactly. Grade C and Grade B posts have a Computer Based Test followed by a Personal Interview. Grade A posts (Hindi Officer and Confidential Secretary) instead have a CBT followed by a qualifying Proficiency/Skill Test, which does not add marks to the final merit list.
What is the age relaxation available for reserved category candidates?
Standard government relaxation applies for SC/ST/OBC-NCL/EWS/PwBD and Ex-Servicemen categories. Additionally, candidates with a PhD get a 3-year relaxation for Grade B and Grade A posts, and OIL internal candidates have an upper age limit of 54 years. In all cases, the maximum permissible age after relaxation cannot exceed 54 years.
Will there be a service bond after selection?
Yes, candidates selected for Grade B posts (except Senior Accounts Officer, Post Code AC-04) must execute a bond to serve OIL for a minimum of three years from the date of joining.
How can candidates track updates about Oil India Limited Recruitment 2026?
All official updates, admit card releases, and result announcements will be published exclusively on the OIL India official website (www.oil-india.com). Candidates should avoid relying on any third-party source for critical updates.
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- ASTPPC Ltd Recruitment 2026
- More Sarkari Job Updates in Assam
- Assam Job Alert – Latest Notifications
Further Reading / Sources
- Oil India Limited – Official Website
- Advertisement No. HRAQ/REC-EX-B/2026-03, dated 15/10/2026 (Official OIL Recruitment Notification PDF)
- Department of Public Enterprises, Government of India (for Maharatna PSU norms)
Conclusion
The Oil India Limited Recruitment 2026 drive is a genuine opportunity for science graduates, mechanical and petroleum engineers, chartered accountants, Hindi language experts, and secretarial professionals to join one of India’s most respected Maharatna PSUs, with a strong Assam connection through its Duliajan headquarters. With clear pay scales, structured selection stages, and a defined timeline running up to 14 November 2026, candidates now have everything they need to assess eligibility and prepare their documents. As always with government and PSU recruitment, cross-check every detail against the official OIL India website before applying, and don’t leave your application to the last moment.
