Oil India Limited Various Vacancies in Grade A/B/C

- Oil India Limited, a Maharatna Public Sector Undertaking, invites applications for various vacancies in Grade A, B, and C roles.
- Vacancies are available for positions such as Superintending Research Scientist, Senior Officer (Mechanical, Petroleum, Accounts), Hindi Officer, and Confidential Secretary.
- Positions are spread across research, engineering, accounts, language, and secretarial domains.
- The recruitment drive is open to Indian nationals only.

- Superintending Research Scientist (Grade C)
• Educational Qualification: Ph.D. in Chemistry, Geology, Chemical Engineering, or Petroleum Engineering with a Master’s Degree in the respective field (minimum 2 years duration) and 60% marks.
• Minimum 4 years of post-qualification relevant work experience in scientific, engineering, R&D, or technology development roles.
• Age Limit: UR (37), OBC (40), SC (42) years as of 14/11/2026.
- Senior Officer (Mechanical) (Grade B)
• Educational Qualification: Bachelor’s Degree in Mechanical Engineering (minimum 4 years duration) with 65% marks (excluding Automation, Automobile, Industrial, etc.).
• Minimum 0 years of post-qualification relevant work experience (experience not explicitly mentioned but implied by job nature).
• Age Limit: UR (27), OBC (30), SC (32), ST (32), EWS (27) years as of 14/11/2026.
- Senior Officer (Petroleum) (Grade B)
• Educational Qualification: Master’s Degree in Petroleum Engineering/Technology (minimum 2 years duration) with 60% marks and Engineering at graduation level.
• Age Limit: UR (29), OBC (32) years as of 14/11/2026.
- Senior Accounts Officer / Senior Internal Auditor (Grade B)
• Educational Qualification: Associate Membership of ICAI/ ICMAI.
• Age Limit: UR (29), OBC (32), SC (34) years as of 14/11/2026.
- Hindi Officer (Official Language) (Grade A)
• Educational Qualification: Post Graduate Degree in Hindi.
• Minimum 3 years of post-qualification relevant work experience.
• Age Limit: UR (29), OBC (32) years as of 14/11/2026.
- Confidential Secretary (Grade A)
• Educational Qualification: Graduate with a Diploma in Secretarial Practice, Modern Office Management, or equivalent with knowledge of computer applications.
• Minimum 2 years of post-qualification relevant work experience.
• Age Limit: GEN/EWS (37), OBC (40), SC/ST (42) years as of 14/11/2026.

- For Grade A/B (Table I & II):
• Computer Based Test (CBT) with 100 marks (85% weightage in final score).
• Personal Interview (PI) with 15 marks (15% weightage in final score).
• Final score computed as: (CBT Marks × 0.85) + PI Marks.
- For Grade A (Table III):
• Computer Based Test (CBT) with 100 marks (100% weightage for merit list preparation).
• Proficiency Test/Skill Test (qualifying only, no weightage).
• Candidates must qualify in both CBT and Proficiency Test/Skill Test to be considered for final selection.

General
OBC
SC
ST
EWS
PwBD

- Proof of age (Admit Card/Pass Certificate/Marksheet of Matriculation/10th Standard).
- Degree/Diploma certificates and mark sheets.
- Experience certificates detailing roles and responsibilities.
- Caste Category certificate (if applicable: SC/ST/OBC/NCL/EWS).
- Valid Disability certificate for PwBD (if applicable).
- Discharge Certificate/Service Book for Ex-Servicemen (if applicable).
- No Objection Certificate (NOC) from current employer (if applicable).
- Offer Letter/Appointment Letter and supporting documents for current employment.
- Proof of work experience (Experience Letter/Service Certificate, Pay Slips, PF Statements, etc.).

• General/OBC (NCL): ₹500 + applicable taxes
• SC/ST/PwBD/EWS/Ex-Servicemen: Nil