Oil India recruitment 2026 is open for 32 posts in Grade A, Grade B and Grade C. Oil India Limited (OIL), a Maharatna public sector undertaking, released Advertisement No. HRAQ/REC-EX-B/2026-03 on 15 October 2026 on oil-india.com. Applications opened at 16:00 hours on 15 October 2026 and close at 11:00 hours on 14 November 2026. The vacancy suits Indian nationals who want government jobs in research, engineering, finance, Hindi and secretarial work.
The notice lists six posts across three grades, and the full post-wise breakdown follows. The posts are primarily for Field Headquarters, Duliajan, Assam. Candidates should check all details in the article below.
Information verified from the official Oil India Limited Advertisement No. HRAQ/REC-EX-B/2026-03 dated 15 October 2026.
Last verified: 16 October 2026.
The Oil India recruitment 2026 notice covers 32 posts in Grade A, B and C under Advertisement No. HRAQ/REC-EX-B/2026-03. Candidates apply online through oil-india.com before 11:00 hours on 14 November 2026. Selection is through a Computer Based Test (CBT), followed by a Personal Interview or a Proficiency/Skill Test, depending on the post.
Quick Summary of Oil India Recruitment 2026
| Detail | Information |
|---|---|
| Organisation | Oil India Limited (OIL), a Maharatna PSU |
| Advertisement No. | HRAQ/REC-EX-B/2026-03 |
| Posts | Superintending Research Scientist, Senior Officer (Mechanical), Senior Officer (Petroleum), Senior Accounts Officer / Senior Internal Auditor, Hindi Officer (Official Language), Confidential Secretary |
| Total Vacancy | 32 posts |
| Salary | Grade A ₹50,000 – ₹1,60,000, Grade B ₹60,000 – ₹1,80,000, Grade C ₹80,000 – ₹2,20,000 |
| Application Mode | Online |
| Eligibility | Post-wise: Ph.D., engineering degree, ICAI/ICMAI membership, Hindi PG or graduate with secretarial diploma |
| Selection Process | CBT and Personal Interview (Grade B, C). CBT and Skill Test (Grade A) |
| Place of Posting | Primarily Field Headquarters, Duliajan, Assam |
| Last Date | 14 November 2026 |
| Who Can Apply | Indian nationals only |
Posting Location and Travel
The notice says the vacancies are primarily for Field Headquarters, Duliajan, Assam. OIL can post selected candidates at any operational area or office, and services are transferable. Candidates for Oil India recruitment 2026 must accept both conditions.
Provisionally selected candidates take a medical test at OIL Hospital, Duliajan, or at a government or empanelled hospital. Candidates called for the interview or skill test get AC-II tier train fare, excluding premier trains. Air fare in economy class is paid for travel within the North East and up to Kolkata. Candidates who appear only for the CBT get no travel payment.
Candidates from Darjeeling, Siliguri and Sikkim can reach Assam by road or rail. More vacancies in the region are listed under North East jobs.
This is added context, not part of the official notification. Confirm with the hiring office.
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Important Dates
OIL follows server time for the opening and closing of the portal. The dates for Oil India recruitment 2026 are in the table below.
| Event | Date |
|---|---|
| Advertisement date | 15 October 2026 |
| Application opens | 16:00 hours, 15 October 2026 |
| Last date | 11:00 hours, 14 November 2026 |
| Cut-off for age, experience and qualification | 14 November 2026 |
| Computer Based Test | 28 December 2026 (tentative) |
The portal closes at 11:00 hours on the last day. The notice asks candidates to apply well before the closing date to avoid server congestion. OIL will give the exact CBT date when it issues admit cards.
Vacancy Details and Salary for Oil India Recruitment 2026
The notice lists six posts. The post counts are provisional and can change with the company’s requirement.
| Post | Grade | Posts | Pay Scale | Category |
|---|---|---|---|---|
| Superintending Research Scientist (CH-01) | C | 5 | ₹80,000 – ₹2,20,000 | UR 3, OBC(NCL) 1, SC 1 |
| Senior Officer, Mechanical (ME-02) | B | 14 | ₹60,000 – ₹1,80,000 | UR 7, OBC(NCL) 3, SC 2, ST 1, EWS 1 |
| Senior Officer, Petroleum (PE-03) | B | 4 | ₹60,000 – ₹1,80,000 | UR 3, OBC(NCL) 1 |
| Senior Accounts Officer / Senior Internal Auditor (AC-04) | B | 6 | ₹60,000 – ₹1,80,000 | UR 4, OBC(NCL) 1, SC 1 |
| Hindi Officer, Official Language (HO-05) | A | 2 | ₹50,000 – ₹1,60,000 | UR 1, OBC(NCL) 1 |
| Confidential Secretary (CS-06) | A | 1 | ₹50,000 – ₹1,60,000 | PwBD 1 (Backlog) |
| Total | 32 |
The notice reserves one vacancy for PwBD candidates in Grade B, out of the notified vacancies. The Confidential Secretary vacancy is a PwBD backlog post.
Salary and Benefits
Salary under Oil India recruitment 2026 follows the pay scales in the table above. The notice gives approximate gross emoluments at the minimum of the scale as ₹1,50,000 for Grade C, ₹1,20,000 for Grade B and ₹90,000 for Grade A. Grade B candidates, except for AC-04, join under the Scheme for Induction Level Engineers/Officers on Probation. Their starting basic pay is ₹60,000. Every selected candidate serves one year of probation and gets a written confirmation after it.
- Industrial pattern DA, plus HRA or company leased or self-lease accommodation
- Free medical benefits for self and dependents
- Gratuity and PF, house building loan, vehicle loan and group insurance
- Post-Retirement Medical Benefits after 20 years of continuous service in OIL, any other CPSE or the government
Posts Identified for PwBD Candidates
| Category | Posts |
|---|---|
| Low vision | AC-04, HO-05, CS-06 |
| Hard of hearing | All six posts |
| One arm, one leg, leprosy cured, dwarfism, acid attack victims | All six posts |
| Cerebral palsy | CH-01, PE-03, AC-04, HO-05, CS-06 |
| Both legs | AC-04, HO-05, CS-06 |
| One arm and one leg | HO-05, CS-06 |
| Muscular dystrophy | AC-04, HO-05 |
| Specific learning disability | CH-01, ME-02, PE-03, HO-05, CS-06 |
| Mental illness | CH-01, PE-03, HO-05, CS-06 |
| Autism spectrum disorder | ME-02 (mild), CS-06 |
| Multiple disabilities | All six posts |
PwBD candidates must hold a disability certificate showing 40% or more disability, issued by a Medical Board of the Central or a State Government. The CBT gives them compensatory time of 20 minutes per hour.
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Eligibility for Each Post
Candidates for Oil India recruitment 2026 must meet the rules for the post they choose. The notice allows no variation in the name of the qualification. Engineering bachelor’s degrees must run for at least 4 years. Master’s degrees and diplomas must run for at least 2 years, and other graduate courses for at least 3 years. Institutions and courses must be recognised for central government appointments.
Superintending Research Scientist (CH-01)
- Qualification: Ph.D. plus a Master’s degree of minimum 2 years with 60% marks, in the same field. The fields are Chemistry, Geology (Geology or Applied Geology), Chemical Engineering and Petroleum Engineering.
- Experience: Minimum four years of post-qualification work in research, engineering or technology roles linked to oil and gas, energy, chemicals or materials.
- Areas counted: Petroleum engineering, chemical engineering and process systems, materials science, nanotechnology, and energy technologies such as CCUS, hydrogen and energy storage. AI, ML and data analytics count only when applied to these areas.
- Preference: Candidates with peer-reviewed publications, patents, technology development or sponsored research.
- Job profile: Research, pilot-scale and field studies, laboratory and pilot plant operation, technical reports, HSE compliance and supervision of staff.
Senior Officer, Mechanical (ME-02)
- Qualification: Bachelor’s degree in Mechanical Engineering of minimum 4 years with 65% marks.
- The notice excludes Automation, Automobile, Industrial, Power, Manufacturing, Production, Mechatronics, Mining, Marine and Robotics Engineering.
Senior Officer, Petroleum (PE-03)
- Qualification: Master’s degree in Petroleum Engineering or Technology of minimum 2 years with 60% marks, with Engineering at graduation level.
Senior Accounts Officer / Senior Internal Auditor (AC-04)
- Qualification: Associate Member of ICAI or ICMAI. Candidates without a membership certificate cannot apply.
Hindi Officer, Official Language (HO-05)
- Qualification: Post Graduate degree in Hindi.
- Experience: Minimum three years of post-qualification work in official language implementation, promotion or translation.
- Job profile: Rajbhasha policy compliance, Hindi and English translation, monitoring and reporting, and vetting of bilingual documents.
Confidential Secretary (CS-06)
- Qualification: Graduate with a 1 or 2 year Diploma in Secretarial Practice, Modern Office Management, Secretarial Practice or Executive Assistant, or an equivalent diploma, with computer application knowledge.
- Experience: Minimum two years of post-qualification work in secretarial functions. Shorthand and transcription skill is required.
- Job profile: Confidential correspondence, meeting schedules, office documentation and support to senior executives.
Age Limit
The age limits for Oil India recruitment 2026 apply as on 14 November 2026 and include category relaxation. Candidates can check their age with the age calculator tool.
| Post | UR | OBC(NCL) | SC / ST |
|---|---|---|---|
| CH-01 | 37 | 40 | 42 (SC) |
| ME-02 | 27 | 30 | 32 |
| PE-03 | 29 | 32 | |
| AC-04 | 29 | 32 | 34 (SC) |
| HO-05 | 29 | 32 | |
| CS-06 | 37 (GEN) | 40 | 42 |
ME-02 also sets an EWS limit of 27, and CS-06 sets the GEN/EWS limit at 37.
- 5 years for candidates domiciled in Jammu and Kashmir from 01 January 1980 to 31 December 1989
- 5 years for Ex-Servicemen
- PwBD relaxation as per Government of India directives
- 3 years for a Ph.D. in the relevant discipline, for Grade A and Grade B posts
- Internal OIL candidates can apply up to 54 years
- No candidate can cross 54 years after all relaxations
Experience Rules
Only full-time work done after getting the prescribed qualification counts. This includes regular, fixed-term and contractual jobs. Part-time, honorary, internship, freelance and consultancy work does not count. Research or fellowship work before the qualifying degree does not count.
Experience must come from a government body, PSU, autonomous body, recognised research or academic institution, or a reputed private company. A private company must have an annual turnover of at least ₹500 crore, with proof.
Regular government and PSU employees need two years in the next lower pay scale. The notice sets these equivalents.
| Post Grade | IDA | CDA | PSB |
|---|---|---|---|
| Grade C | E3 | Level 10 | Scale III |
| Grade A | E1 | Level 7 | Scale I |
The scales are E3 at ₹60,000 – ₹1,80,000, E1 at ₹40,000 – ₹1,40,000, Level 10 at ₹56,100 – ₹1,77,500, Level 7 at ₹44,900 – ₹1,42,400, Scale III at ₹85,920 – ₹1,05,280 and Scale I at ₹48,480 – ₹85,920. Employers with other pay scales must issue a certificate showing the equivalent level.
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Selection Process
The selection process for Oil India recruitment 2026 has two tracks. Grade B and Grade C posts use a CBT and a Personal Interview. Grade A posts use a CBT and a Proficiency Test or Skill Test.
Grade C and Grade B Posts
- CBT: 100 marks, 1 hour 30 minutes. Qualifying marks are 50 for UR, OBC(NCL) and EWS, and 40 for SC, ST and PwBD.
- Personal Interview: 15 marks, with no qualifying marks. Candidates who clear the CBT are called in the ratio of 1:5 by CBT marks.
- Final score: CBT marks out of 100 × 0.85, plus PI marks out of 15. The merit list runs in descending order of this score.
Grade A Posts
- CBT: 100 marks, 1 hour 30 minutes. Qualifying marks are 50 for UR and OBC(NCL), and 40 for PwBD.
- Proficiency Test or Skill Test: 100 marks, qualifying only, with 50 marks to clear. Candidates are shortlisted in the ratio of 1:2. Confidential Secretary candidates take Shorthand and Transcription. Hindi Officer candidates take Translation, Essay, Writing, Computer Application and Bilingual Typing.
- Merit list: Prepared from CBT marks alone, for candidates who clear the skill test.
Provisional selection depends on medical fitness and document verification. OIL can raise the minimum standards if applications are very large. Mere possession of the qualification does not earn a call.
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Application Fee
The application fee for Oil India recruitment 2026 is non-refundable and is paid online through SBI e-Pay Lite.
- General and OBC (NCL): ₹500 plus applicable taxes
- SC, ST, PwBD, EWS and Ex-Servicemen: Nil
How to Apply
Candidates for Oil India recruitment 2026 apply through the OIL online application on oil-india.com.
- Keep ready a personal email ID, a mobile number, a recent passport size colour photograph and a scanned signature.
- Open oil-india.com and click the Click Here link next to To Register.
- Fill in the personal and contact details, press Generate OTP and enter both OTPs, one for the mobile number and one for the email ID.
- Tick I Agree, re-verify the values and submit. The Application Sequence No. (User ID) and password arrive by email and SMS.
- Click Go To Application and log in. Fill in the personal, additional, communication, qualification and experience details, then the declaration.
- Upload the photograph and signature, preview the form and submit it.
- Pay the fee through SBI e-Pay Lite, where it applies, and print the form as a PDF.
The form cannot be edited or withdrawn after submission. The category cannot be changed. One email ID and mobile number work for one candidate only. If a candidate submits more than one application, OIL considers only the one with the higher Application Sequence Number. The help desk number is 9513253397, open Monday to Friday, 10 AM to 5 PM.
OIL warns against fake appointment letters. Candidates should apply only through the official website and never pay any agent or middleman.
Documents to Keep Ready
The photograph and signature need fixed sizes, and a photo and signature resizer helps with that. The photograph needs a white background, JPG or JPEG format, 100 KB to 200 KB, 200 dpi and 3.5 cm × 4.5 cm. The signature must be in black ink on white paper, JPG or JPEG, 80 KB to 150 KB.
- Matriculation or Class 10 certificate or admit card showing date of birth
- Degree or diploma with all mark sheets, or a provisional certificate with mark sheets
- ICAI or ICMAI membership certificate, for AC-04
- Experience letter on letterhead, a separate employer document on roles and duties, and any two of last pay slip, increment letter, promotion or transfer order, PF statement and offer letter
- For current employment, the offer letter, the latest pay slip and any two of the ID card, increment letter, promotion or transfer order and PF statement
- Caste, OBC(NCL), EWS or disability certificate in the government format, as applicable
- Discharge book or service and release certificate, for Ex-Servicemen
- No Objection Certificate (NOC) from the employer, for government and PSU employees
- Company turnover proof, for private-sector candidates
- A valid photo ID such as PAN, Driving Licence, Voter ID, Aadhaar or Passport
Important Links
| Details | Link |
|---|---|
| Advertisement No. HRAQ/REC-EX-B/2026-03 | Download Oil India notification PDF |
| Official website (registration link next to To Register) | Visit the official OIL website |
Should you apply?
Oil India recruitment 2026 suits candidates with a specialised qualification who can accept a posting in Assam. The Superintending Research Scientist post needs a Ph.D. and four years of research or technology work. Mechanical and petroleum engineers, ICAI or ICMAI associate members, and Hindi and secretarial candidates each have one matching post.
Competition for a Maharatna PSU job is usually heavy, and the posts per discipline are few. PE-03 has 4 posts and HO-05 has 2. CS-06 is a single backlog post.
Grade B candidates, except for AC-04, sign a service bond of three years. Every selected candidate serves one year of probation. Postings can fall at any OIL operational area, and services are transferable.
The advertisement allows OIL to reject candidates at any stage for incomplete or unclear experience documents. Candidates with part-time, internship or pre-degree experience should read the experience rules before paying the fee.
Candidates should read every rule of Oil India recruitment 2026 before paying the fee and submitting the form.
This is added context, not part of the official notification. Confirm with the hiring office.
FAQs
What is the last date to apply for Oil India recruitment 2026?
The last date is 14 November 2026, and the portal closes at 11:00 hours server time. Applications opened at 16:00 hours on 15 October 2026. The notice asks candidates to apply well before the closing time to avoid server congestion.
What is the salary of Senior Officer posts in Oil India?
Senior Officer posts in Grade B carry a pay scale of ₹60,000 – ₹1,80,000, with a starting basic pay of ₹60,000. The notice gives approximate gross emoluments of ₹1,20,000 at the minimum of the Grade B scale.
Is there an application fee for OIL posts?
General and OBC (NCL) candidates pay ₹500 plus applicable taxes. SC, ST, PwBD, EWS and Ex-Servicemen candidates pay no fee. The fee is paid online through SBI e-Pay Lite and is not refunded in any case.
Which carries more weight in Oil India recruitment 2026, the CBT or the interview?
The CBT carries more weight for Grade B and C posts. It contributes up to 85 marks to the final score, and the Personal Interview adds 15 marks. For Grade A posts, the CBT alone decides merit, and the skill test only qualifies a candidate.
This is added context, not part of the official notification. Confirm with the hiring office.
Written and verified by
Sandeep Khati
Founder and Editor, India Job Alerts
B.Tech in Computer Science from Jalpaiguri Government Engineering College (2010). Former Systems Engineer at TCS and in digital publishing since 2011. He started India Job Alerts in April 2025 to publish verified government and PSU job notifications for West Bengal, Sikkim and the rest of India. Every post is checked against the official notification before it goes live. Also writes about the Darjeeling hills at SearchDarjeeling.