Oil India Recruitment 2026

 

This is a senior hire. Every post needs a postgraduate degree or a 4-year engineering degree plus at least 9 years of full-time executive experience after that qualification. Below you will find the Oil India vacancy 2026 details post by post, with the correct age limit for each post, the experience rules that decide eligibility, salary, selection process, and the online application steps.

Oil India Recruitment 2026: Key Highlights

Detail	Information
Organization	Oil India Limited (OIL), a Maharatna CPSE
Advertisement number	HRAQ/REC-EX-B/2026-02, dated 11 September 2026
Posts	Deputy Chief Chemist, Deputy Chief Engineer (Reservoir), Economist
Total vacancies	3
Grade	D, E or F (executive cadre)
Pay scale	₹90,000 to ₹2,40,000 (Grade D), ₹1,00,000 to ₹2,60,000 (Grade E and F)
Approximate gross	About ₹1.70 lakh a month in Grade D, about ₹2.00 lakh in Grade E and F
Minimum experience	9 years, going up to 17 years for Economist Grade F
Application mode	Online only
Application fee	Not mentioned in the advertisement
Last date	10 October 2026, 11:00 AM
Selection	Personal Interview only
Job location	Field Headquarters, Duliajan, Assam (transferable)
Official website	oil-india.com

About Oil India Limited

Oil India Limited is a Maharatna CPSE and a fully integrated exploration and production company in the upstream oil and gas sector, with its origins in the 1889 oil discovery at Digboi. Its field headquarters is at Duliajan in Assam and the corporate office is in Noida. Oil India careers in the executive cadre run through Grades A to I, and this advert covers Grades D, E, and F, which sit at senior specialist and manager level.

Oil India Recruitment 2026 Important Dates and Last Date

Event	Date and time
Notification date	11 September 2026
Online application opened	11 September 2026, 11:00 AM
Last date for online application	10 October 2026, 11:00 AM
Cut-off date for age, qualification, experience and pay scale equivalency	10 October 2026
Personal Interview	To be intimated by email only

The 11:00 AM close is the detail most candidates miss. OIL's own Current Openings page carries the same time against this advert. Anything incomplete at 11:00 AM on 10 October is gone, so finish uploads a day earlier.

Oil India Vacancy 2026: Post-wise Details

Post (post code)	Seats	Category	Grade	Suitable for PwBD categories
Deputy Chief Chemist (CHEM-01)	1	OBC (NCL)	D	Dw, AAV
Deputy Chief Engineer, Reservoir (RES-02)	1	UR	D	HH; OA, OL, CP, LC, Dw, AAV; SLD, MI; MD
Economist (ECO-03)	1	UR	D, E or F	LV; HH; OA, BL, OL, OAL, CP, Dw, AAV, MDy; MD
Total	3

Two points the listing sites skip:

• The Deputy Chief Chemist post is reserved for OBC (NCL). General, SC, ST and EWS candidates cannot be appointed against it.
• PwBD categories are listed as suitability, not as reserved seats. Relaxation follows Government of India directives.

The number of posts is provisional and can change with the company's actual requirement.

Oil India Eligibility Criteria 2026

Deputy Chief Chemist Eligibility

•  Postgraduate degree in chemistry of a minimum of 2 years' duration with at least 60% marks or equivalent CGPA.
•  Physics, chemistry, and mathematics must have been studied at the graduation level.
• Minimum 9 years of post-qualification relevant work experience as a chemist in drilling or workover operations, as a drilling fluid specialist, or in line functional executive work.
•  Oil and gas sector experience is preferred.

Deputy Chief Engineer (Reservoir) Eligibility

Either route works:

• Bachelor's degree in petroleum engineering of a minimum of 4 years' duration with at least 65% marks, plus 9 years of experience.
• Master's degree in Petroleum Engineering or Petroleum Technology of a minimum of 2 years' duration with at least 60% marks, along with a 4-year Bachelor's degree in Engineering in any discipline, plus 9 years of experience.

The experience must be as a reservoir engineer or in line functional executive work. Upstream oil and gas experience is preferred.

Economist Eligibility

• Postgraduate degree in economics or Business Economics with at least 60% marks or equivalent CGPA.
• Experience as an economist or in line functional executive work: 9 years for Grade D, 13 years for Grade E, and 17 years for Grade F.
• The experience should cover areas such as macroeconomic analysis, sector policy or regulatory research, economic modelling with econometric software, project evaluation, and data analysis.

You apply for one grade, and OIL scrutinizes your application against that grade's requirement.

Qualification Rules for All Posts

• Nomenclature is strict. No variation in the name of the degree from what the advert prescribes is accepted.
• Distance and part-time degrees are eligible, provided they are recognized by the relevant statutory authority for appointment to posts and services under the Central Government.
• Duration matters: a Bachelor's degree in engineering must be of at least 4 years, and any postgraduate degree or diploma at least 2 years.
• No rounding off of percentage. Convert CGPA to percentage only by your institute's own norms.
• Age proof is accepted only from a birth certificate or a matriculation certificate, admit card or marksheet. No other document is considered.
•  Only Indian nationals can apply.

Oil India Age Limit 2026

This is where most job sites get it wrong. There is no single 49-year limit. The limit changes by post and grade, measured as on 10 October 2026.

Post	Upper age limit
Deputy Chief Chemist	42 years
Deputy Chief Engineer (Reservoir)	37 years on the Bachelor's route, 39 years on the Master's route
Economist, Grade D	39 years
Economist, Grade E	44 years
Economist, Grade F	49 years

Relaxations:

• Ex-Servicemen: 5 years.
• PwBD candidates: as per Government of India directives.
• PhD in the relevant discipline: 3 years.
• Candidates ordinarily domiciled in Jammu and Kashmir between 1 January 1980 and 31 December 1989: 5 years, with a domicile certificate.
• OIL's internal candidates: upper limit of 54 years.

Two clarifications worth reading twice:

• The 2-year benefit for holding a postgraduate qualification is already built into the numbers above, so do not add it again.
• After every applicable relaxation, the upper age can never cross 54 years for any candidate.

Who Can Count Their Work Experience

The experience rule filters out more applicants than the degree rule does.

What counts

• Full-time work in the executive cadre, acquired after the date of the qualifying degree.
• Employment in Central or State Government departments, PSUs, autonomous bodies, or private companies, whether permanent, fixed-term or contractual.
• Time spent as a graduate engineer trainee, executive trainee, or management trainee after qualifying.

What does not count

• Academic, teaching, research, training, fellowship, and stipend-based work.
• JRF, SRF, PhD scholar, research associate, project associate or assistant, teaching or research assistant, post-doctoral fellow, visiting or guest faculty, and consultants on retainership.
• Part-time, ad hoc, honorary, apprenticeship, internship and project or consultancy engagements of any kind.

Two extra filters people miss

• If you are in regular Government or PSU employment, you need at least 2 years in the next lower pay scale as on the cut-off date.
• If you are in the private sector, your employer must have a minimum annual turnover of ₹500 crore, and you must produce proof of it.

Applying for	Next lower IDA scale	Next lower CDA level	Next lower PSB scale
Deputy Chief Chemist or Deputy Chief Engineer, Grade D	E5: ₹80,000 to ₹2,20,000	Level 12: ₹78,800 to ₹2,09,200	Scale IV: ₹1,02,300 to ₹1,20,940
Economist, Grade D	E5: ₹80,000 to ₹2,20,000	Level 12: ₹78,800 to ₹2,09,200	Scale IV: ₹1,02,300 to ₹1,20,940
Economist, Grade E	E6: ₹90,000 to ₹2,40,000	Level 12: ₹78,800 to ₹2,09,200	Scale V: ₹1,20,940 to ₹1,35,020
Economist, Grade F	E6: ₹90,000 to ₹2,40,000	Level 13: ₹1,23,100 to ₹2,15,900	Scale VI: ₹1,40,500 to ₹1,56,500

Proof you must be able to produce

• For past jobs: an experience letter or service certificate on the employer's letterhead showing your name, designation, joining date, relieving date and period, plus a separate document detailing your roles and responsibilities, plus any two of a last payslip, annual increment letter, promotion or transfer order, PF statement, or appointment letter.
• For your current job: an offer or appointment letter with your joining date and terms, the latest payslip, a roles and responsibilities document, plus any two of an employer ID card, increment letter, promotion or transfer order or PF statement.

Incomplete or ambiguous experience documents can get your candidature rejected at any stage.

Oil India Salary 2026: Pay Scale, Gross, and Benefits

Post and grade	IDA pay scale	Starting basic pay
Deputy Chief Chemist, Grade D	₹90,000 to ₹2,40,000	₹90,000
Deputy Chief Engineer (Reservoir), Grade D	₹90,000 to ₹2,40,000	₹90,000
Economist, Grade D	₹90,000 to ₹2,40,000	₹90,000
Economist, Grade E or F	₹1,00,000 to ₹2,60,000	₹1,00,000

These are pay scales, not monthly pay. The advertisement puts approximate gross emoluments at the minimum of the scale at about ₹1,70,000 a month in Grade D and about ₹2,00,000 a month in Grade E or F.

Benefits on top of basic pay and industrial dearness allowance:

• HRA, or company-leased or self-leased accommodation
• Free medical benefits for self and dependents
• Provident Fund and gratuity
• House building loan and vehicle loan
• Group insurance
• Post-retirement medical benefits under the defined contributory scheme for those who superannuate from OIL after 20 years of continuous service in OIL, any other CPSE or Government without a break

Selected candidates serve one year of probation and are confirmed in writing after completing it.

Oil India Selection Process 2026

There is no written test and no group discussion.

• Screening: applications are checked against eligibility, and only shortlisted candidates are called.
•  Personal Interview: this is the only selection stage, and the final merit is based solely on interview marks.
•  Document verification: all details are cross-checked against originals at the interview and verified with the issuing authorities.
•  Pre-Employment Medical Examination: conducted at OIL Hospital, Duliajan, or by an authorised medical officer. An appointment is cancelled if you are not declared medically fit.

Points worth knowing

• If too many eligible applications come in, OIL can raise the minimum standards to cut the shortlist, so mention every qualification and year of experience you hold.
• Interview schedules are sent by email only.
• Candidates in permanent government, PSU, or autonomous body employment as on 10 October 2026 must bring an NOC to the interview. Without it, you are not allowed to appear and your fare is not reimbursed.
• Travel reimbursement: Grade D and E candidates get to-and-fro AC II-tier rail fare, base fare only, excluding premier trains. Economy class air fare applies for travel within the Northeast region and up to Kolkata. Grade F candidates get economy class airfare. Tickets and boarding passes are required.
• Lodging and boarding are your own arrangement.

Job Profile and Place of Posting

Post	Core work
Deputy Chief Chemist	Preparation, testing, and quality control of drilling and workover fluids; HSE and statutory compliance, wellsite chemical planning, inventory, and documentation; support to cementing; loss control; and well kick management
Deputy Chief Engineer (Reservoir)	Reservoir characterization and modelling, reserve estimation using volumetric, decline curve, and material balance methods; dynamic simulation on ECLIPSE, CMG or equivalent, field development planning, well and reservoir performance monitoring
Economist	Evaluation of new business and investment opportunities in India and overseas, macroeconomic and policy monitoring, due diligence for ventures, regulatory coordination for overseas investments, stakeholder relationships, investment portfolio, and briefing papers

Vacancies are primarily for Field Headquarters, Duliajan, Assam, and the company can post selected candidates at any of its operational areas or offices. Services are transferable.

How to Apply Online for Oil India Recruitment 2026

The Oil India online form 2026 is accepted only through the careers section of OIL's website. Postal or email applications are not accepted.

• Go to oil-india.com and open Current Openings under Career at OIL.
• Click the link for the advertisement for recruitment of officers in Grades D, E, and F.
• Select the post you are applying for and sign up with your personal details, a valid email ID and a mobile number.
• Verify the OTP sent to your email and mobile. Your application number arrives on the same email and mobile.
• Fill in address, qualification, eligibility, and experience details, then preview them. Once you click Next, the General Details section locks and cannot be edited. Use Save as Draft while you work.
• Upload your photograph, signature, and certificates in jpg, jpeg, PNG or PDF. Each file must be under 5 MB, and all uploads together must be under 200 MB.
• Submit and wait for the confirmation message on screen.

Photograph and signature specifications

• Recent passport-size color photograph on a light background, not older than 3 weeks, looking straight at the camera.
• Signature in black ink on white paper, with only the signature area scanned.

Other application rules

• Do not send printouts or any documents to OIL by post or by hand.
• Applying for more than one post is allowed, but each post needs a separate registration and application.
• If you submit more than one application for the same post, only the one with the higher application sequence number is considered.
• Keep your email ID and mobile number active until the process ends. The same email and mobile cannot be used by another candidate, and no change is allowed later.

Documents Required for Oil India Recruitment 2026

• Birth certificate or matriculation certificate, admit card, or marksheet showing date of birth
• Degree or diploma certificates with marksheets for all years or the consolidated marksheet
•  Equivalence order or letter if you are claiming an equivalent qualification, with the authority, number and date
• Post-qualification experience certificates and the supporting documents listed above
• Caste certificate for SC, ST or OBC (NCL) in the government-prescribed format, with a valid Non-Creamy Layer certificate
• Income and Assets certificate for EWS in the government-prescribed format
• Disability certificate showing at least 40% disability, issued by a medical board constituted by the Central or a state government
• Discharge Book or Service and Release Certificate and Zila Sainik Welfare Office registration card for ex-servicemen
• NOC from your employer if you are in permanent government, PSU or autonomous body service
• A valid photo identity proof such as a PAN card, driving licence, voter ID, Aadhaar, or passport for the interview

Certificates issued in a language other than English or Hindi need a self-certified translation at the interview.

Common Reasons Applications Get Rejected

• The degree name does not match the nomenclature prescribed in the advert.
• Experience claimed from academic, research, project, consultancy or internship engagements.
• Experience documents missing the roles and responsibilities letter or the two supporting proofs.
• Government or PSU candidates without 2 years in the next lower pay scale, or private sector candidates whose employer is below the ₹500 crore turnover mark.
• Percentage rounded up to reach 60% or 65%.
•  Age crossing the limit for that specific post, not the 49-year figure floating around on job sites.
• False or doctored information, which also means being blacklisted from every future Oil India post.

Any dispute regarding this recruitment falls under the jurisdiction of Dibrugarh District Court. OIL also warns candidates against fake appointment letters. It issues appointment letters only to candidates selected through this process, and all announcements appear only on oil-india.com.

Oil India Notification PDF and Important Links

Link	Access
Oil India Current Openings (Career at OIL)	oil-india.com/advertisement-list
Official notification PDF	Download
Apply online (OIL HRA Recruitment Portal).	Apply here
Official website	oil-india.com

Also Live: Oil India Contractual Posts at Duliajan

Alongside this executive advert, OIL has a second live notification for the engagement of Contractual Electrician and Contractual Associate Engineer (Electrical) at Field Headquarters, Duliajan. It closes on 7 October 2026 at 11:59 PM. Past editions of the same advert asked for Class 10 with an ITI in the electrician trade for the electrician role and a 3-year diploma in electrical engineering with an electrical supervisor's Certificate of competency for the associate engineer role, both with one year of experience. If you hold an ITI or a diploma, that notification is the one to open, and the current PDF is on the same Current Openings page.

Should You Apply for Oil India Recruitment 2026?

Only if you already hold the exact degree and 9 or more years of full-time executive experience in a directly comparable role. Three seats, one interview and no written test mean the shortlist will be small and the interview bar high. Freshers, diploma holders, and candidates below the experience mark have nothing to gain from applying here, and a rejected application still costs a day of paperwork.

One line in the advertisement is worth noting for anyone studying while working: OIL accepts qualifications earned through distance learning or part-time mode, as long as they are recognized by the statutory authority for appointment to posts under the Central Government. Maharatna PSUs stating this in writing is the clearest answer to the question working professionals ask most about online and part-time degrees.

If you are working and want to understand which approved online or working professional programs count for government and PSU posts, College Vidya's counsellors can help you check approvals and pick the right fit. [Internal link: relevant course comparison page]

Source: Oil India Limited Advt. No. HRAQ/REC-EX-B/2026-02 dated 11 September 2026. Read the official notification before applying