Oil India Limited (OIL), a Maharatna Public Sector Undertaking under the Government of India, has released Advertisement No. HRAQ/REC-EX-B/2026-03 dated 15 October 2026 for recruitment to various Grade A, Grade B and Grade C executive posts. Eligible Indian nationals can apply online for positions in research, mechanical engineering, petroleum engineering, accounts, internal audit, official language and secretarial functions.
The OIL Recruitment 2026 online application process starts on 15 October 2026 at 4:00 PM, and the last date to submit the application is 14 November 2026 at 11:00 AM. The tentative Computer Based Test (CBT) date is 28 December 2026.
Candidates should carefully check the post-wise educational qualifications, age limits, work experience requirements, application fees and selection procedure before applying.
Oil India Limited Recruitment 2026: Overview
| Particulars | Details |
|---|---|
| Organization | Oil India Limited (OIL) |
| Advertisement Number | HRAQ/REC-EX-B/2026-03 |
| Advertisement Date | 15 October 2026 |
| Recruitment Name | OIL Executive Recruitment 2026 |
| Post Categories | Grade A, Grade B and Grade C |
| Total Vacancies | 32 |
| Application Mode | Online |
| Application Start Date | 15 October 2026, 4:00 PM |
| Last Date to Apply | 14 November 2026, 11:00 AM |
| CBT Date | 28 December 2026 (Tentative) |
| Salary / Pay Scale | ₹50,000–₹2,20,000, depending on grade |
| Job Location | Assam and other OIL operational locations |
| Official Website | https://www.oil-india.com/ |
Important: The total of 32 vacancies is calculated from the post-wise numbers listed in the supplied notification. The company states that vacancy numbers are provisional and may change.
Oil India Vacancy 2026: Post-Wise Details
| Post Name | Post Code | Vacancies | Grade | Pay Scale |
|---|---|---|---|---|
| Superintending Research Scientist | CH-01 | 5 | C | ₹80,000–₹2,20,000 |
| Senior Officer (Mechanical) | ME-02 | 14 | B | ₹60,000–₹1,80,000 |
| Senior Officer (Petroleum) | PE-03 | 4 | B | ₹60,000–₹1,80,000 |
| Senior Accounts Officer / Senior Internal Auditor | AC-04 | 6 | B | ₹60,000–₹1,80,000 |
| Hindi Officer (Official Language) | HO-05 | 2 | A | ₹50,000–₹1,60,000 |
| Confidential Secretary | CS-06 | 1 | A | ₹50,000–₹1,60,000 |
| Total | 32 |
Educational Qualification for OIL Recruitment 2026
The required qualification varies by post. Candidates must possess the prescribed qualification by the cut-off date of 14 November 2026.
1. Superintending Research Scientist – Grade C
Candidates must have one of the following combinations:
- Ph.D. in Chemistry with an M.Sc. in Chemistry of at least two years’ duration and a minimum of 60% marks.
- Ph.D. in Geology with a Master’s degree in Geology or Applied Geology of at least two years’ duration and a minimum of 60% marks.
- Ph.D. in Chemical Engineering with a Master’s degree in Chemical Engineering of at least two years’ duration and a minimum of 60% marks.
- Ph.D. in Petroleum Engineering with a Master’s degree in Petroleum Engineering of at least two years’ duration and a minimum of 60% marks.
A minimum of four years of relevant post-qualification work experience is also required.
2. Senior Officer (Mechanical) – Grade B
Applicants must possess a Bachelor’s degree in Mechanical Engineering of at least four years’ duration with a minimum of 65% marks. The notification excludes several other engineering specializations, including Automation, Automobile, Industrial, Power, Manufacturing, Production, Mechatronics, Mining, Marine and Robotics Engineering.
3. Senior Officer (Petroleum) – Grade B
Candidates must have a Master’s degree in Petroleum Engineering or Petroleum Technology of at least two years’ duration with a minimum of 60% marks, along with Engineering at the graduation level.
4. Senior Accounts Officer / Senior Internal Auditor – Grade B
Applicants must be Associate Members of the Institute of Chartered Accountants of India (ICAI) or the Institute of Cost Accountants of India (ICMAI). Candidates without the required membership certificate are not eligible.
5. Hindi Officer (Official Language) – Grade A
Candidates must have a postgraduate degree in Hindi and at least three years of relevant post-qualification experience in official-language implementation, promotion, translation or related work.
6. Confidential Secretary – Grade A
Applicants must be graduates with a one- or two-year diploma in Secretarial Practice, Modern Office Management/Secretarial Practice, Executive Assistant Diploma or an equivalent qualification. Knowledge of computer applications and at least two years of relevant post-qualification secretarial experience are required.
All qualifications must be recognized by the appropriate statutory authorities. Candidates should consult the complete official advertisement for the precise eligibility conditions applicable to their post.
OIL Recruitment 2026 Age Limit
The upper age limit is calculated as of 14 November 2026. The limits differ by post and category.
| Post | Category | Upper Age Limit |
|---|---|---|
| Superintending Research Scientist | UR | 37 years |
| Superintending Research Scientist | OBC-NCL | 40 years |
| Superintending Research Scientist | SC | 42 years |
| Senior Officer (Mechanical) | UR / EWS | 27 years |
| Senior Officer (Mechanical) | OBC-NCL | 30 years |
| Senior Officer (Mechanical) | SC / ST | 32 years |
| Senior Officer (Petroleum) | UR | 29 years |
| Senior Officer (Petroleum) | OBC-NCL | 32 years |
| Senior Accounts Officer / Senior Internal Auditor | UR | 29 years |
| Senior Accounts Officer / Senior Internal Auditor | OBC-NCL | 32 years |
| Senior Accounts Officer / Senior Internal Auditor | SC | 34 years |
| Hindi Officer | UR | 29 years |
| Hindi Officer | OBC-NCL | 32 years |
| Confidential Secretary | General / EWS | 37 years |
| Confidential Secretary | OBC-NCL | 40 years |
| Confidential Secretary | SC / ST | 42 years |
Applicable relaxations are available under the notification for eligible categories, including PwBD candidates and ex-servicemen. Additional provisions apply to eligible internal candidates and candidates with a relevant Ph.D. The maximum upper age limit after applicable relaxations must not exceed 54 years.
OIL Executive Salary 2026
Oil India Limited offers executive pay scales and additional benefits according to the grade.
| Grade | Pay Scale | Approximate Gross Emoluments at Minimum of Scale |
|---|---|---|
| Grade C | ₹80,000–₹2,20,000 | ₹1,50,000 per month |
| Grade B | ₹60,000–₹1,80,000 | ₹1,20,000 per month |
| Grade A | ₹50,000–₹1,60,000 | ₹90,000 per month |
The notification states that the approximate gross emoluments are calculated at the minimum of the relevant scale. Additional benefits may include industrial-pattern dearness allowance, HRA or company accommodation, medical benefits for employees and dependants, gratuity, provident fund, housing loans, vehicle loans and group insurance, subject to company rules.
Grade B candidates, except those applying for the Senior Accounts Officer / Senior Internal Auditor post (AC-04), are subject to a one-year probation period and a service bond requiring a minimum of three years of service from joining.
OIL Recruitment 2026 Application Fee
| Category | Application Fee |
|---|---|
| General / UR | ₹500 plus applicable taxes |
| OBC-NCL | ₹500 plus applicable taxes |
| SC | Nil |
| ST | Nil |
| PwBD | Nil |
| EWS | Nil |
| Ex-Servicemen | Nil |
The application fee is non-refundable. Eligible applicants should verify their category and eligibility before making payment through the online payment gateway.
Oil India Recruitment 2026 Selection Process
The selection procedure depends on the grade and post applied for.
Grade C and Grade B Posts
The selection process consists of:
- Computer Based Test (CBT).
- Personal Interview (PI).
The CBT carries 100 marks and contributes 85% to the final score. The interview carries 15 marks.
Final score = (CBT marks × 0.85) + Interview marks out of 15
The minimum CBT qualifying marks are 50 for UR, OBC-NCL and EWS posts, and 40 for posts reserved for SC, ST and PwBD candidates, as specified in the notification. Candidates qualifying in the CBT may be shortlisted for interview in a 1:5 ratio.
Grade A Posts
The selection process consists of:
- Computer Based Test (CBT).
- Proficiency Test or Skill Test.
The CBT carries 100 marks and forms the basis of the final merit list. The proficiency or skill test is qualifying in nature and carries no weightage in the merit calculation.
The CBT duration is 90 minutes. For the Confidential Secretary post, the skill test includes shorthand and transcription. For the Hindi Officer post, applicable components include translation, essay writing, computer applications and bilingual typing.
Important Dates for Oil India Recruitment 2026
| Event | Date and Time |
|---|---|
| Notification Date | 15 October 2026 |
| Online Application Starts | 15 October 2026, 4:00 PM |
| Online Application Closes | 14 November 2026, 11:00 AM |
| Eligibility Cut-off Date | 14 November 2026 |
| CBT Date | 28 December 2026 (Tentative) |
The closing time follows the server time specified in the advertisement. Candidates should submit their applications well before the deadline.
How to Apply Online for OIL Recruitment 2026
Eligible candidates can follow these steps to apply online:
- Visit the official Oil India Limited website at https://www.oil-india.com/.
- Open the careers or recruitment section and locate Advertisement No. HRAQ/REC-EX-B/2026-03.
- Read the detailed advertisement and confirm your eligibility for the selected post.
- Open the online registration link and enter the required personal and contact details.
- Verify your mobile number and email address using the OTPs provided.
- Log in with the registration credentials received by email or SMS.
- Fill in the personal, educational, category and employment details.
- Upload a recent passport-size photograph and signature in the prescribed JPG/JPEG format.
- Pay the application fee, if applicable, through the online payment gateway.
- Preview the form carefully and submit the application.
- Download or print the submitted application form and retain the payment receipt, if applicable.
The notification states that submitted applications cannot be edited or withdrawn. Therefore, applicants should check all entries carefully before final submission.
Documents Required for OIL Recruitment 2026
Candidates should keep the following documents ready, as applicable:
- Class 10 certificate or marksheet showing the date of birth.
- Degree or diploma certificates and academic marksheets.
- Ph.D. and postgraduate qualification documents for relevant posts.
- ICAI or ICMAI membership certificate for the accounts/audit post.
- Work experience certificates specifying employment dates, designation and responsibilities.
- Supporting employment documents, such as salary slips, appointment letters, increment or promotion orders, or PF statements.
- Caste, OBC-NCL, EWS, PwBD or ex-servicemen certificates, where applicable.
- Recent passport-size photograph and scanned signature.
- No Objection Certificate (NOC), where required for government or PSU employees.
For experience-based posts, OIL specifies detailed documentary requirements. Candidates should read the experience-proof provisions in the official advertisement carefully.
Important Instructions for Candidates
- Only Indian nationals are eligible to apply.
- The age, qualification and experience cut-off date is 14 November 2026.
- The number of vacancies is provisional and may change.
- Relevant work experience must be acquired after obtaining the prescribed qualifying educational qualification.
- Candidates should provide accurate information and upload valid documents.
- Selected candidates may be posted at Duliajan, Assam, or other OIL operational locations according to company requirements.
- All recruitment updates and official announcements will be published on the Oil India Limited website.
- Beware of fraudulent job offers or appointment letters issued by unauthorized individuals.
Important Links
| Link Description | Website |
|---|---|
| Official Oil India Limited Website | https://www.oil-india.com/ |
| Careers / Recruitment Section | https://www.oil-india.com/ |
| Online Application | Apply Online |
| Official Notification | Official Notification PDF |
Notification Download: Candidates should visit the official Oil India Limited website and download the complete 17-page advertisement before applying. The notification contains detailed eligibility criteria, work experience requirements, category-wise age limits, selection rules and application instructions.
Conclusion
Oil India Limited Recruitment 2026 offers opportunities for eligible professionals in research, engineering, finance, official-language services and secretarial functions. Candidates who meet the prescribed educational qualifications, experience requirements and age criteria should complete the online application by 14 November 2026 at 11:00 AM.
For accurate information about the recruitment, eligibility and future updates, candidates should rely on the official Oil India Limited notification and website.
Frequently Asked Questions (FAQs)
1. How many vacancies are available in Oil India Recruitment 2026?
Oil India Limited has announced 32 vacancies across Grade A, Grade B and Grade C executive posts, as calculated from the post-wise vacancy details in the notification.
2. What is the last date to apply for OIL Recruitment 2026?
The last date to submit the online application is 14 November 2026 at 11:00 AM, as specified in the official notification.
3. When does the Oil India online application process start?
The online application process starts on 15 October 2026 at 4:00 PM.
4. What qualifications are required for Oil India Recruitment 2026?
Qualifications vary by post and include engineering degrees, relevant postgraduate degrees, a Ph.D. with prescribed experience, ICAI or ICMAI membership, a postgraduate degree in Hindi, or a graduation degree with a relevant secretarial diploma and experience.
5. What is the age limit for OIL executive posts?
The upper age limit varies by post and category. The notification specifies limits ranging from 27 years for some Grade B posts to 42 years for certain categories and posts, subject to applicable relaxation rules.
6. What is the salary offered under Oil India Recruitment 2026?
The advertised pay scales are ₹50,000–₹1,60,000 for Grade A, ₹60,000–₹1,80,000 for Grade B and ₹80,000–₹2,20,000 for Grade C. Approximate gross monthly emoluments at the minimum of the scales are ₹90,000, ₹1,20,000 and ₹1,50,000, respectively.
7. 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 exempt from the application fee.
8. What is the selection process for OIL Recruitment 2026?
Grade B and Grade C posts require a Computer Based Test followed by a Personal Interview. Grade A posts require a Computer Based Test followed by a qualifying Proficiency Test or Skill Test.
9. What is the tentative CBT date for Oil India Recruitment 2026?
The Computer Based Test is tentatively scheduled for 28 December 2026. The exact date will be communicated through admit cards.
10. Where can candidates apply for Oil India Recruitment 2026?
Candidates should visit the official Oil India Limited website at https://www.oil-india.com/ and access the recruitment section to find the advertisement and online application link.
