Oil India Limited is a Maharatna Public Sector Undertaking under the Ministry of Petroleum and Natural Gas. It explores, develops and produces crude oil and natural gas, mainly in the Northeast, and also works on pipelines and energy projects. These posts are regular executive cadre positions in research, mechanical, petroleum, accounts, Hindi and secretarial work.
What kind of role this is
Regular executive posts in Grade A, B and C. Locations include Field Headquarters at Duliajan, Assam, and other operational areas of OIL. Selection is through CBT and then interview or skill test. CBT is scheduled for 28 December 2026.
Who should apply — and who should skip
Apply if your degree and experience match the exact post: PhD for Superintending Research Scientist, BE/BTech for mechanical or petroleum officers, CA/CMA for accounts, PG in Hindi for Hindi Officer, or Graduate with secretarial diploma for Confidential Secretary.
Skip if your qualification is in a different discipline or you do not meet the upper age for that specific post as on 14 November 2026. Also skip if you cannot appear for the CBT on the announced date.
1. Superintending Research Scientist — Grade C 5 Vacancy
Eligibility criteria PhD in Chemistry/Geology/Chemical Engineering/Petroleum Engineering with relevant Master’s (min 60%) plus 4 years post-qualification relevant experience. Upper age 37 years (UR).
No category-wise vacancy split is printed on this short summary; check the full advertisement PDF for exact roster.
2. Senior Officer (Mechanical) — Grade B 14 Vacancy
Eligibility criteria BE/BTech in Mechanical Engineering. Upper age 27 years (UR).
No category-wise vacancy split is printed on this short summary; check the full advertisement PDF for exact roster.
3. Senior Officer (Petroleum) — Grade B 4 Vacancy
Eligibility criteria BE/BTech in Petroleum Engineering. Upper age 29 years (UR).
No category-wise vacancy split is printed on this short summary; check the full advertisement PDF for exact roster.
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