Oil India Recruitment 2026 is now open for candidates seeking prestigious careers in India’s upstream energy sector. Oil India Limited, a Maharatna Central Public Sector Undertaking, invites applications for 10 executive-level positions including Deputy Chief Chemist, Deputy Chief Geologist, Deputy Chief Engineer (Reservoir and S&E), Deputy Chief Geophysicist, and Economist across Grades D, E, and F. These roles offer substantial career advancement, competitive remuneration exceeding ₹1,70,000 monthly in Grade D and ₹2,00,000+ in Grades E/F, and the opportunity to contribute to India’s energy independence. With a last application date of 28 June 2026, this recruitment represents a rare opportunity for mid-career and senior professionals to join one of India’s premier petroleum exploration and production enterprises.
Oil India Limited has published Advertisement No. HRAQ/REC-EX-B/2026-01 dated 28/05/2026, detailing complete eligibility criteria, selection methodology, compensation structures, and application protocols. The selection process involves a rigorous Personal Interview stage followed by Pre-Employment Medical Examination, ensuring only the most qualified candidates are appointed. Candidates are advised to thoroughly review the official notification and verify all eligibility requirements before submitting their applications online.
Note: All information is sourced from the official notification. Candidates are advised to verify all details from the official website before applying.
Notification Overview
| Particulars | Details |
|---|---|
| Organization | Oil India Limited (OIL) – Maharatna Central Public Sector Undertaking |
| Advertisement No. | HRAQ/REC-EX-B/2026-01 dated 28/05/2026 |
| Post Names | Deputy Chief Chemist, Deputy Chief Geologist, Deputy Chief Engineer (Reservoir), Deputy Chief Geophysicist, Deputy Chief Engineer (S&E), Economist |
| Total Vacancies | 10 (provisional, subject to actual requirement) |
| Grade | Grade D (all posts); Grade E and Grade F for Economist only |
| Application Mode | Online only |
| Location | Primarily Field Headquarters, Duliajan, Assam; transferable to any OIL operational area |
| Official Website | https://www.oil-india.com |
Important Dates
| Event | Date and Time |
|---|---|
| Opening of Online Application Portal | 28/05/2026 at 14:00 hours |
| Last Date for Online Application Submission | 28/06/2026 at 23:59 hours |
| Cut-off Date for Age, Experience, and Qualification | 28/06/2026 |
| Personal Interview Date | To be notified to shortlisted candidates via email |
Vacancy Details
| Post Name | Post Code | Number of Posts | Grade | Pay Scale |
|---|---|---|---|---|
| Deputy Chief Chemist | CHEM-01 | 01 UR | D | Rs. 90,000-2,40,000 |
| Deputy Chief Geologist | GEO-02 | 01 UR | D | Rs. 90,000-2,40,000 |
| Deputy Chief Engineer (Reservoir) | RES-03 | 01 UR | D | Rs. 90,000-2,40,000 |
| Deputy Chief Geophysicist | GEOP-04 | 01 UR | D | Rs. 90,000-2,40,000 |
| Deputy Chief Engineer (S&E) | S&E-05 | 05 (UR-03, OBC-01, SC-01) | D | Rs. 90,000-2,40,000 |
| Economist | ECO-06 | 01 UR | D/E/F | Rs. 90,000-2,60,000 |
Educational Qualifications
| Post Name | Essential Qualification |
|---|---|
| Deputy Chief Chemist | PG Degree in Chemistry (minimum 2 years) with minimum 60% marks or equivalent CGPA; Physics, Chemistry and Mathematics studied at graduation level |
| Deputy Chief Geologist | PG Degree in Geology/Applied Geology (minimum 2 years) with minimum 60% marks or equivalent CGPA; Mathematics studied at graduation level |
| Deputy Chief Engineer (Reservoir) | B.E./B.Tech in Petroleum Engineering (minimum 4 years) with minimum 65% marks OR Master’s Degree in Petroleum Engineering/Technology (minimum 2 years) with minimum 60% marks along with B.E./B.Tech in any Engineering discipline (minimum 4 years) |
| Deputy Chief Geophysicist | PG Degree in Geophysics/Applied Geophysics/Exploration Geophysics (minimum 2 years) with minimum 60% marks or equivalent CGPA |
| Deputy Chief Engineer (S&E) | B.E./B.Tech in Fire & Safety Engineering/Fire Engineering (minimum 4 years) with minimum 65% marks OR Master’s Degree/Diploma in Industrial Safety or HSE (minimum 2 years) with minimum 60% marks along with B.E./B.Tech in any Engineering discipline (minimum 4 years) |
| Economist – Grade D/E/F | PG Degree in Economics or Business Economics with a minimum 60% marks or equivalent CGPA |
Post-Qualification Work Experience Required
| Post Name | Minimum Experience |
|---|---|
| Deputy Chief Chemist | 09 years as a Chemist (Drilling/Workover) or Drilling Fluid Specialist in the Executive cadre; Oil & Gas Sector experience preferred |
| Deputy Chief Geologist | 09 years as a Geologist in the Executive cadre; Upstream Oil & Gas Sector experience preferred |
| Deputy Chief Engineer (Reservoir) | 09 years as Reservoir Engineer in Executive cadre; Upstream Oil & Gas Sector experience preferred |
| Deputy Chief Geophysicist | 09 years as a Geophysicist in the Executive cadre; Oil & Gas Sector experience preferred |
| Deputy Chief Engineer (S&E) | 09 years handling Health, Safety and Environment (HSE) matters as an Officer in the Executive cadre; Oil & Gas Sector experience preferred |
| Economist – Grade D | 09 years as an Economist in the Executive cadre; Energy/E&P/PSU sector experience preferred |
| Economist – Grade E | 13 years as an Economist in the Executive cadre; Energy/E&P/PSU sector experience preferred |
| Economist – Grade F | 17 years as an Economist in the Executive cadre; Energy/E&P/PSU sector experience preferred |
Age Limit
| Post Name | Upper Age Limit (as on 28/06/2026) |
|---|---|
| Deputy Chief Chemist | 39 years |
| Deputy Chief Geologist | 39 years |
| Deputy Chief Engineer (Reservoir) | 37/39 years |
| Deputy Chief Geophysicist | 39 years |
| Deputy Chief Engineer (S&E) – UR | 37/39 years |
| Deputy Chief Engineer (S&E) – OBC(NCL) | 40/42 years |
| Deputy Chief Engineer (S&E) – SC | 42/44 years |
| Economist – Grade D | 39 years |
| Economist – Grade E | 44 years |
| Economist – Grade F | 49 years |
Age Relaxation Applicable:
| Category | Age Relaxation |
|---|---|
| OBC (Non-Creamy Layer) | 3 years over the UR upper age limit |
| SC / ST | 5 years over the UR upper age limit |
| PwBD | As per the Government of India Directives |
| Ex-Servicemen | 5 years |
| J&K Domicile (01/01/1980 to 31/12/1989) | 5 years (domicile certificate required) |
| Candidates with a PhD in a relevant discipline | 3 years |
| Internal Candidates of OIL (otherwise eligible) | Upper age limit: 54 years |
The maximum ceiling after all relaxations for all candidates is 54 years.
Application Fee
| Category | Fee |
|---|---|
| All Categories | To be notified on the official website, check before submitting the application |
Salary and Benefits
| Component | Details |
|---|---|
| Basic Pay Scale – Grade D | Rs. 90,000-2,40,000; Approximate Gross: ~Rs. 1,70,000/month |
| Basic Pay Scale – Grade E/F | Rs. 1,00,000-2,60,000; Approximate Gross: ~Rs. 2,00,000/month |
| Dearness Allowance | Industrial pattern DA |
| House Rent Allowance (HRA) | HRA or Company leased/self-lease accommodation as per rules |
| Medical Benefits | Free medical benefits for self and dependents |
| Retirement Benefits | Gratuity, Provident Fund; Post-Retirement Medical Benefits under the Defined Contributory Scheme for those with 20+ years of continuous service |
| Housing Loan | House Building Loan as per Company rules |
| Vehicle Loan | Vehicle Loan as per Company rules |
| Insurance | Group Insurance coverage |
| Probation Period | 1 year; confirmation in writing after successful completion |
| Interview Travel Reimbursement | AC-II Tier rail fare (base fare only) for Grade D/E; Economy air fare for Grade F |
Role & Responsibilities
The Deputy Chief positions in Oil India Limited carry significant technical and functional leadership roles that shape upstream petroleum operations. Deputy Chief Chemists direct drilling fluid management, ensuring well integrity and HSE compliance through advanced chemical operations at wellsite and laboratory levels. Deputy Chief Geologists lead subsurface evaluation and field development strategies by interpreting basin structures, performing core analysis, and generating geological models using industry-standard software like Petrel and Kingdom Suite. Deputy Chief Engineers in Reservoir specialization drive enhanced oil recovery initiatives through dynamic simulation, reserves estimation following SPE/PRMS standards, and performance monitoring using tools such as ECLIPSE and CMG platforms. Deputy Chief Geophysicists orchestrate seismic data acquisition, processing, and interpretation using advanced quantitative techniques, machine learning, and multi-disciplinary integration to generate exploration prospects. Deputy Chief Engineers in Safety and Environment develop comprehensive safety management systems, conduct statutory audits under the Factories Act and DGMS frameworks, and implement ESG/BRSR initiatives aligned with international standards. Economists at OIL identify investment opportunities, conduct project due diligence, analyze macroeconomic trends, and provide executive briefings on policy impacts-all critical functions for a Maharatna enterprise operating in volatile energy markets. These roles demand not just technical expertise but strategic thinking, stakeholder management, and the ability to influence organizational policy in a large PSU environment. Career progression from Deputy Chief to Chief and subsequent executive roles is well-established, with successful candidates typically moving into business leadership, operational management, or central office strategy functions within 5-7 years.
Selection Process
| Stage | Process | Details |
|---|---|---|
| Stage 1 | Screening/Shortlisting | Online applications reviewed against prescribed eligibility criteria; shortlisting based on application details |
| Stage 2 | Personal Interview (PI) | Selection based on PI performance, subject to document verification and final eligibility confirmation |
| Stage 3 | Pre-Employment Medical Examination (PEME) | Provisionally selected candidates must clear PEME at OIL Hospital, Duliajan, or OIL-empanelled facility; final appointment only after medical fitness declaration by OIL Medical Board |
Shortlisting criteria may be raised if the number of applications is very large. Only eligible and shortlisted candidates receive PI notification via registered email.
How to Apply for Oil India Recruitment 2026
- Visit the official Oil India Limited website at https://www.oil-india.com and navigate to the Advertisement section.
- Click on the recruitment notification for “Officers in Grade D/E/F” and select the post you wish to apply for.
- Complete the online registration by providing your personal details, a valid email ID, and a mobile number.
- Authenticate your registration using the OTP sent to your registered mobile and email.
- Note down your Application Number and password immediately after successful registration.
- Log in to the application portal and fill in all required sections: Basic Details, Address, Educational Qualifications, Eligibility Checklist, and Employment History.
- Upload all mandatory supporting documents in the prescribed formats and file size limits.
- Review the entire application for accuracy and completeness.
- Submit the application and download the confirmation receipt for your records.
💡 Expert Tip: Prepare all documents in advance-recent passport photograph, signature scan, and employment certificates from each employer with separate role/responsibility statements. Many candidates face rejection due to missing supporting documents or oversized file uploads; ensure each file is under 5 MB, and the total submission is within the 200 MB limit. Triple-check your educational qualification details match the notification exactly; OIL does not accept qualification variations.
Documents Required for Application
Candidates must upload the following documents online during application:
- Recent passport-size colour photograph (JPG/JPEG/PNG format, not older than 3 weeks)
- Signature on white paper with black ink pen (JPG/JPEG/PNG format)
- Birth Certificate or Matriculation/10th Admit Card/Pass Certificate/Marksheet (age proof document)
- Degree/Diploma certificates and mark sheets for all academic years, or a provisional certificate if the degree is pending
- Experience Letter/Service Certificate from each employer on official letterhead (containing name, designation, joining and relieving dates)
- Separate document from each employer, explicitly detailing roles and responsibilities performed during employment
- Any two supporting documents per employer from the prescribed list: last pay slip, annual increment letter, promotion/transfer order, PF statement, or appointment letter (for past employment); or identity card, increment letter, promotion/transfer order, PF statement (for current employment)
- Caste certificate in the Government of India prescribed format (SC/ST/OBC-NCL candidates only)
- Non-Creamy Layer certificate for OBC candidates (valid and clearly stating compliance with GOI definition)
- EWS Income & Assets Certificate in the Government of India format (EWS candidates only)
- Disability Certificate indicating minimum 40% disability (PwBD candidates only)
- Discharge Book/Service and Release Certificate (Ex-Servicemen only)
- Domicile Certificate for J&K domiciles (1980-1989) claiming age relaxation
- CGPA to percentage conversion certificate from university/institute (if applicable)
- No-Objection Certificate (NOC) from current Government/PSU employer (mandatory at PI stage; without this, interview attendance is not permitted)
Important Instructions for Candidates
Candidates applying for Oil India Recruitment 2026 must ensure strict compliance with the following requirements:
Only Indian nationals are eligible under this recruitment. The cut-off date for determining age, experience, and qualification eligibility is 28 June 2026; any shortfall, even by one day, results in ineligibility. Mere possession of minimum qualifications does not guarantee PI shortlisting; if applications exceed expectations, OIL may raise minimum eligible standards. Post-qualification work experience must come exclusively from Executive cadre roles; academic research, fellowship, JRF/SRF, PhD scholar, project-based, consultancy, internship, apprenticeship, and part-time roles are explicitly excluded. For Government/PSU employees, a minimum of 2 years’ service in the next lower pay scale equivalent (as per notification Table-III) is mandatory. Private sector candidates must belong to organizations with a minimum annual turnover of Rs. 500 Crores. The nomenclature of educational qualifications must exactly match notification specifications; no variations are accepted, and CGPA rounding off is strictly prohibited. Candidates in permanent Government/PSU employment must produce a valid NOC from their employer at the PI stage; without an NOC, interview attendance is denied, and travel fares are not reimbursed. Provisionally selected candidates must clear the Pre-Employment Medical Examination (PEME) as per OIL’s physical fitness criteria; failure to clear PEME results in candidature cancellation. Confirmation of appointment follows successful completion of 1-year probation. Any false information or document at any stage, even after joining, results in cancellation, termination, and blacklisting from all future OIL recruitments. All future recruitment announcements are published exclusively on www.oil-india.com; OIL does not authorize any external person or organization to offer jobs on its behalf, and candidates must beware of fraudulent fake appointment letters circulating online. Any recruitment-related disputes fall under the exclusive jurisdiction of the Dibrugarh District Court. Canvassing in any form leads to immediate candidature cancellation. OIL actively encourages women candidates and strives for gender-balanced workforce composition.
Common Mistakes to Avoid
Candidates must avoid the following pitfalls that frequently result in rejection:
Uploading only experience certificates without separate role/responsibility documentation from each employer, OIL requires an explicit document outlining duties performed, not just service tenure. Submitting a single supporting document per employment when two are mandatory, all past employments require both last pay slip/increment letter AND promotion order/PF statement/appointment letter; current employment requires identity card or increment letter AND promotion order/PF statement. Claiming CGPA as a percentage without the official university conversion, the converted percentage must be clearly stated with a supporting certificate; rounding off the percentage is explicitly prohibited. Using an identical email ID or mobile number across multiple applications, each candidate must have unique credentials; duplicate contact details cause registration failure. Submitting multiple applications without monitoring sequence numbers-OIL processes only the highest sequence number application; ensure your final submission is the most complete and accurate. Uploading oversized documents exceeding 5 MB per file or 200 MB total applications with technical file size violations face automatic rejection. Applying for multiple posts without submitting separate applications for each, candidates must register independently for each post they wish to pursue. For Economist applicants, failing to clearly specify Grade D, E, or F being applied for, eligibility and experience requirements differ significantly; applications are scrutinized based on the stated grade. OBC candidates submitting outdated Non-Creamy Layer certificates (NCL status must be explicitly confirmed per the current Government of India definition for Central Government services; vague or old certificates are rejected. Falling victim to fraudulent recruitment offers from external sources, all legitimate communications originate from the official OIL website and registered communication channels only.
Important Links
| Particulars | Link |
|---|---|
| Official Website | Click Here |
| Apply Online | Apply Here |
| Download Notification | Download Here |
Frequently Asked Questions (FAQs)
Q1. What is the last date to apply for Oil India Recruitment 2026?
Ans. The last date for submitting online applications is 28 June 2026 at 23:59 hours as per the official notification.
Q2. How many total vacancies are available in Oil India Recruitment 2026?
Ans. A total of 10 vacancies are available across 6 posts (Deputy Chief Chemist, Deputy Chief Geologist, Deputy Chief Engineer Reservoir, Deputy Chief Geophysicist, Deputy Chief Engineer S&E, and Economist) with provisional status subject to actual organizational requirements.
Q3. What is the selection process for Oil India Recruitment 2026?
Ans. The selection process involves three stages: (1) Screening of online applications against eligibility criteria and shortlisting, (2) Personal Interview based solely on interview performance and document verification, and (3) Pre-Employment Medical Examination (PEME) for provisionally selected candidates at OIL Hospital Duliajan or OIL-empanelled facility.
Q4. What is the salary structure for these posts?
Ans. Grade D posts carry a pay scale of Rs. 90,000-2,40,000 with an approximate gross salary of Rs. 1,70,000 per month. Grade E/F for Economist position offer Rs. 1,00,000-2,60,000 with approximate gross salary of Rs. 2,00,000 per month, plus Industrial DA, HRA, medical benefits, and retirement benefits.
Q5. What is the minimum work experience required?
Ans. Most posts require 9 years of post-qualification work experience in the Executive cadre as on 28 June 2026. For the Economist Grade E, 13 years is required, and for the Grade F, 17 years is required. Academic research, fellowship, JRF/SRF, PhD scholar, project-based, consultancy, internship, and part-time roles are explicitly excluded.
Q6. Are there any age relaxation provisions available?
Ans. Yes, age relaxation is provided to OBC (Non-Creamy Layer) candidates – 3 years; SC/ST candidates – 5 years; PwBD candidates – as per GOI directives; Ex-Servicemen – 5 years; and those with a PhD in a relevant discipline – 3 years. Internal OIL candidates otherwise eligible can have an upper age limit of 54 years, which is the maximum ceiling after all relaxations.
Q7. Is an application fee required for this recruitment?
Ans. The application fee details were not explicitly mentioned in the notification; candidates are advised to check the official website at https://www.oil-india.com before submitting their applications.
Q8. Can Government/PSU employees apply for this recruitment?
Ans. Yes, Government and PSU employees can apply provided they (1) have a minimum 2 years’ service in the next lower pay scale equivalent, (2) produce a valid No-Objection Certificate (NOC) from their employer at the time of Personal Interview, and (3) meet all other eligibility criteria. Without an NOC at the PI stage, interview attendance is not permitted, and travel fares are not reimbursed.
