Oil India Limited Recruitment 2026: Apply for Grade A, B and C Officer Posts

Oil India Limited Recruitment 2026: Apply for Grade A, B and C Officer Posts

Oil India Limited (OIL), a Maharatna Public Sector Undertaking (PSU), has invited online applications from eligible Indian nationals for recruitment to various Grade A, Grade B and Grade C officer-level positions. The recruitment offers opportunities for experienced professionals in engineering, petroleum technology, research, accounting, Hindi language and secretarial services.

According to Advertisement No. HRAQ/REC-EX-B/2026-03, a total of 32 vacancies have been announced across six post categories. Eligible candidates can submit their applications through the official Oil India recruitment portal before the closing date.

Candidates interested in Oil India Limited Recruitment 2026 should carefully check the post-wise educational qualifications, relevant work experience, age limits and application fees before applying.

Oil India Limited Recruitment 2026: Overview

Oil India Limited Vacancy 2026: Post-Wise Details

Oil India Limited has announced 32 vacancies across the following positions.

The number of vacancies is provisional and may change according to the organisation's requirements.

Educational Qualification and Eligibility

Applicants must possess the prescribed educational qualifications and, where applicable, relevant post-qualification work experience. Qualifications must be recognised by the appropriate statutory authorities.

1. Superintending Research Scientist – Grade C

Vacancies: 5

Educational qualification: Candidates must hold a PhD in one of the specified disciplines, together with the required master's degree of at least two years' duration and a minimum of 60% marks. The permitted combinations are:

• PhD in Chemistry with an MSc in Chemistry.
• PhD in Geology with a master's degree in Geology or Applied Geology
• PhD in Chemical Engineering with a master's degree in Chemical Engineering.
• PhD in Petroleum Engineering with a master's degree in Petroleum Engineering.

Candidates must also have at least four years of relevant post-qualification work experience in scientific research, engineering, R&D, technology development or applied engineering in relevant domains.

Age limit: 37 years for UR, 40 years for OBC-NCL and 42 years for SC candidates, subject to the advertisement's applicable provisions.

2. Senior Officer (Mechanical) – Grade B

Vacancies: 14

Candidates must have a bachelor's degree in Mechanical Engineering of at least four years' duration, with a minimum of 65% marks.

Degrees in Automation, Automobile, Industrial, Power, Manufacturing, Production, Mechatronics, Mining, Marine, Robotics and similar disciplines are excluded under the stated qualification criteria.

Age limit:

• UR: 27 years
• OBC-NCL: 30 years
• SC: 32 years
• ST: 32 years
• EWS: 27 years

3. Senior Officer (Petroleum) – Grade B

Vacancies: 4

Candidates must possess a master's degree in Petroleum Engineering or Petroleum Technology of at least two years' duration, with a minimum of 60% marks. An engineering qualification at graduation level is also required.

Age limit:

• UR: 29 years
• OBC-NCL: 32 years

4. Senior Accounts Officer / Senior Internal Auditor – Grade B

Vacancies: 6

Applicants must be an Associate Member of ICAI or ICMAI. Candidates without the required membership certificate are not eligible.

Age limit:

• UR: 29 years
• OBC-NCL: 32 years
• SC: 34 years

5. Hindi Officer (Official Language) – Grade A

Vacancies: 2

Candidates must possess a postgraduate degree in Hindi and at least three years of relevant post-qualification experience in official language implementation or promotion, translation, or related work.

Age limit:

• UR: 29 years
• OBC-NCL: 32 years

6. Confidential Secretary – Grade A

Vacancies: 1

Candidates must be graduates and possess one of the specified qualifications, such as a Diploma in Secretarial Practice, Modern Office Management/Secretarial Practice, Executive Assistant or an equivalent qualification, along with computer application knowledge.

At least two years of relevant post-qualification experience in secretarial functions is required. Candidates should also be proficient in shorthand and transcription.

Age limit:

• General/EWS: 37 years
• OBC-NCL: 40 years
• SC/ST: 42 years

Important: The age limits above are those specified for the relevant categories in the advertisement. Additional relaxations, where applicable, are governed by the full notification. The cut-off date for age, qualifications and experience is 14 November 2026.

Salary and Pay Scale

Oil India Limited offers executive pay scales along with additional benefits according to company rules.

The advertisement states that the approximate gross emoluments are calculated at the minimum of the relevant pay scale. Actual earnings and benefits may vary according to applicable rules and allowances.

Other benefits may include industrial dearness allowance, HRA or company accommodation, medical benefits for employees and dependants, gratuity, provident fund, house-building loans, vehicle loans and group insurance, subject to company rules.

Application Fee

Candidates must pay the prescribed application fee, where applicable.

The application fee is non-refundable. Applicants should verify their eligibility before making payment.

Selection Process

The selection process differs according to the grade and post.

For Grade B and Grade C Posts

The selection process consists of:

1. Computer-Based Test (CBT): 100 marks, contributing 85% to the final score.
2. Personal Interview: 15 marks, contributing 15% to the final score.

The final score is calculated using the formula:

Final Score = (CBT Marks × 0.85) + Interview Marks

The CBT duration is 90 minutes. Candidates qualifying in the CBT may be shortlisted for the interview according to the prescribed ratio and category-wise qualifying requirements.

For Grade A Posts

The selection process consists of:

1. Computer-Based Test (CBT).
2. Proficiency Test or Skill Test, as applicable to the post.

The CBT carries 100 marks and is the basis for the final merit list, provided the candidate qualifies in the applicable skill or proficiency test. The skill test is qualifying in nature and does not carry additional weight in the final merit score.

For the Hindi Officer post, the relevant test may include translation, essay writing, computer applications and bilingual typing. For the Confidential Secretary post, shorthand and transcription skills are required.

Important Dates

The CBT date is tentative. Candidates should check the official Oil India website for updates and admit-card announcements.

How to Apply for Oil India Recruitment 2026

Eligible candidates can apply online by following these steps:

1. Visit the official Oil India website: https://www.oil-india.com/
2. Open the Careers or Recruitment section and locate Advertisement No. HRAQ/REC-EX-B/2026-03.
3. Read the detailed advertisement and confirm that you meet the eligibility requirements for your chosen post.
4. Open the online application portal and complete the registration using a valid email address and mobile number.
5. Verify your email address and mobile number using the required OTPs.
6. Log in with the registration credentials and fill in your personal, educational and employment details.
7. Upload your recent photograph, signature and relevant certificates in the prescribed formats.
8. Pay the application fee online if applicable.
9. Review the application carefully before submitting it. The advertisement states that the submitted application cannot be edited.
10. Save or print the submitted application form and payment acknowledgement for future reference.

Use only the official recruitment portal linked through Oil India Limited's website. Do not rely on unauthorised agents or individuals claiming to guarantee selection.

Documents Required

Applicants should keep the following documents ready, as applicable:

• Class 10 certificate or marksheet showing date of birth.
• Degree, postgraduate degree, diploma and marksheets.
• PhD certificate for the Superintending Research Scientist post.
• ICAI or ICMAI membership certificate for the accounts/auditor post.
• Relevant post-qualification experience certificates.
• Employer-issued documents detailing job responsibilities.
• Supporting employment documents, such as salary slips, appointment letters or PF statements, as prescribed.
• SC/ST/OBC-NCL/EWS/PwBD or Ex-Servicemen certificates, where applicable.
• Recent passport-size photograph and scanned signature.
• No Objection Certificate for eligible candidates employed in government service or a PSU, where required.

Incomplete or unclear experience documents may lead to rejection of the application.

Important Conditions for Applicants

• Only Indian nationals are eligible to apply.
  
• The prescribed work experience must be relevant and acquired after obtaining the qualifying educational qualification.
  
• Part-time, internship, apprenticeship, freelance and other excluded forms of engagement will not count toward the specified experience requirement.
  
• Grade B appointees, except those applying for the Senior Accounts Officer/Senior Internal Auditor post (AC-04), must execute the prescribed three-year service bond.
  
• The selected candidates may be posted at Duliajan, Assam, or any other operational area or office according to company requirements.
  
• Provisionally selected candidates must satisfy the company's medical fitness requirements.
  
• Candidates should retain their application form and payment receipt.
  
• OIL warns applicants against fraudulent job offers and unauthorised appointment letters.

Frequently Asked Questions (FAQs)

1. How many vacancies are available in Oil India Limited Recruitment 2026?

A total of 32 vacancies have been announced across six post categories in Grades A, B and C.

2. What is the last date to apply for Oil India Recruitment 2026?

The last date to submit the online application is 14 November 2026 at 11:00 AM, according to the official advertisement.

3. What is the salary offered by Oil India Limited?

The approximate gross monthly emoluments at the minimum of the pay scale are ₹90,000 for Grade A, ₹1,20,000 for Grade B and ₹1,50,000 for Grade C.

4. Is work experience required for all posts?

The advertisement specifically requires relevant post-qualification experience for the Superintending Research Scientist, Hindi Officer and Confidential Secretary posts. Candidates should check the detailed eligibility conditions for their chosen position.

5. What is the application fee?

General and OBC-NCL candidates must pay ₹500 plus applicable taxes. SC, ST, PwBD, EWS and Ex-Servicemen candidates are exempted from the application fee.

6. What is the selection process?

Grade B and Grade C recruitment involves a CBT followed by a personal interview. Grade A recruitment involves a CBT followed by a qualifying proficiency or skill test, as applicable.

7. Where can candidates check the official notification?

Candidates can visit the official Oil India Limited website at https://www.oil-india.com/ and open the relevant recruitment notice in the Careers section.

Conclusion

Oil India Limited Recruitment 2026 is an opportunity for qualified and experienced professionals seeking officer-level employment in a Maharatna PSU. With 32 vacancies across research, engineering, accounts, Hindi language and secretarial roles, candidates should carefully compare their qualifications and experience with the requirements of their preferred post.

Before applying, read the complete official advertisement, confirm the age and experience conditions, and submit the online form before 14 November 2026 at 11:00 AM. Follow the official Oil India website for the latest recruitment announcements and examination updates.

Disclaimer: JobAdAssam provides recruitment information for educational purposes. Candidates should verify eligibility, application instructions and subsequent updates using the official Oil India Limited notification before applying.