Oil India Limited Recruitment 2026 - Grade D/E/F Executive Posts: Deputy Chief Chemist, Geologist, Engineer, Economist

Quick Highlights - OIL Grade D/E/F Recruitment 2026

About Oil India Limited

Oil India Limited is a Maharatna Central Public Sector Undertaking under the Ministry of Petroleum and Natural Gas, Government of India. It is India's second-largest national oil company engaged in exploration, development, and production of crude oil and natural gas, along with transportation of crude oil and production of LPG. OIL's Field Headquarters is located at Duliajan, Assam. Under this Latest Recruitment 2026, experienced professionals are invited to join OIL's senior executive cadre in Grade D/E/F.

Important Dates - OIL Recruitment 2026

Application Fee

The official notification does not mention any application fee for this recruitment. Candidates may visit the official OIL website for any updates regarding fee payment at oil-india.com/advertisement-list.

Vacancy Details - OIL Grade D/E/F Posts 2026

Total verified vacancies: 10 posts across 6 post codes. One vacancy is reserved horizontally for PwBD candidates as per Government of India directives.

Note: The number of posts is provisional and may vary as per the actual requirement of the Company. 1 vacancy is reserved for PwBD candidates (horizontal reservation).

Eligibility Criteria

Nationality

Only Indian nationals are eligible to apply for all posts notified under this advertisement.

Educational Qualification

Important: All qualifications must be from Universities/Institutions recognized by appropriate statutory authorities in India. Distance learning or part-time qualifications are acceptable only if recognized by the relevant statutory authority for Central Government appointments. Rounding off of percentage of marks is not allowed.

Minimum Post-Qualification Work Experience

Note: Academic, teaching, research, fellowship, internship, apprenticeship, JRF/SRF, PhD scholar, Research Associate, or any similar engagement does not count as valid post-qualification relevant work experience. Only full-time employment as a regular/permanent, fixed-term, or contractual employee is counted. Candidates in Government/PSU service must have a minimum of 2 years of experience in the next lower pay scale as on 28 June 2026. Candidates from the private sector must be employed in a company with minimum annual turnover of Rs 500 crores.

Age Limit (as on 28 June 2026)

Note: The higher age limit applies to candidates holding a Postgraduate Degree or Diploma of minimum 2 years duration where prescribed. The maximum age after all relaxations shall not exceed 54 years for any candidate.

Age Relaxation

Pay and Benefits

• Grade D Pay Scale: Rs 90,000 – Rs 2,40,000 | Approximate Gross Emoluments: ~Rs 1,70,000 per month at minimum of scale.
• Grade E / F Pay Scale: Rs 1,00,000 – Rs 2,60,000 | Approximate Gross Emoluments: ~Rs 2,00,000 per month at minimum of scale.
• Industrial pattern Dearness Allowance (DA)
• HRA or Company leased / self-lease accommodation
• Free medical benefits for self and dependents
• Gratuity and Provident Fund (PF)
• House Building Loan and Vehicle Loan
• Group Insurance
• Post-Retirement Medical Benefits (PRMB) under Defined Contributory Scheme for those superannuating after minimum 20 years of continuous service in OIL / any CPSE / Government.
• One year probationary period; confirmed in writing after successful completion.

Selection Process

• Stage 1 - Shortlisting: Eligible candidates will be shortlisted based on application details, qualification, and experience. Meeting the minimum criteria does not guarantee a call for interview.
• Stage 2 - Personal Interview (PI): Shortlisted candidates will be called for a Personal Interview. Selection is based solely on PI performance, subject to eligibility criteria and document verification.
• Stage 3 - Pre-Employment Medical Examination (PEME): Provisionally selected candidates must clear PEME at OIL Hospital, Duliajan, Assam (or an empanelled hospital). Final selection is subject to medical fitness.

Candidates shortlisted for the PI will be intimated through email/SMS only. Candidates currently employed in Government / PSU service must produce a valid No Objection Certificate (NOC) from their employer at the time of Personal Interview - without which they will not be permitted to appear, and travel fare will not be reimbursed.

Travel Reimbursement: Grade D/E candidates called for PI will be reimbursed to-and-fro AC-II Tier rail fare (base fare only, excluding premier trains) or economy class air fare for travel within the Northeast region and up to Kolkata. Grade F candidates will be reimbursed economy class air fare, on production of valid tickets and boarding passes.

How to Apply for Oil India Limited Grade D/E/F Recruitment 2026

1. Visit the official Oil India Limited website at oil-india.com/advertisement-list and click on the link for 'Advertisement for Recruitment of Officers in Grade D/E/F in OIL'.
2. Select the post you are applying for. Complete Step I - Sign Up/Registration by entering your personal details, valid Email ID, and mobile number. On successful registration, an OTP will be sent to your registered email and mobile for authentication. Note your Application Number carefully.
3. After registration, complete Step II - fill in your Basic Details (Address), Qualification Details, Eligibility Details, and Experience Details accurately. Upload your scanned passport-size photograph and signature image in jpg/jpeg/PNG format as per the specifications given on the portal.
4. Upload all required scanned certificates and documents including educational qualification certificates, experience certificates, caste/PwBD/EWS certificate (if applicable), and any other supporting documents. Each document must not exceed 5 MB and total upload size must not exceed 200 MB.
5. Preview all entered information carefully before proceeding. Once you click 'Next' to proceed to the Documents Upload Section, the General Details Section will be locked and cannot be edited.
6. Click on the 'Submit' button to final submit your application. The portal will display a confirmation message - 'Your application has been successfully submitted.' Save or take a printout of the submitted application for future reference.
7. If applying for more than one post, register and submit a separate application for each post individually. The application with the higher Application Sequence Number will be considered in case of multiple submissions for the same post. Complete the process before the last date of 23:59 hours on 28 June 2026.

Documents Required

• Birth Certificate or Matriculation/10th Standard Admit Card/Marksheet showing Date of Birth
• Degree/Diploma certificates and marksheets for all academic years (all qualifying educational qualifications)
• Experience Letter / Service Certificate from employer(s) on official letterhead stating name, designation, date of joining, date of relieving, and roles/responsibilities performed
• Two supporting documents from: Last Pay Slip, Annual Increment Letter, Promotion/Transfer Order, PF Statement, or Offer/Appointment Letter
• SC/ST/OBC (NCL)/EWS certificate in prescribed Government of India format (if applicable)
• Valid Disability Certificate from Medical Board constituted by Central/State Government (PwBD candidates - minimum 40% disability)
• Discharge Certificate / Service and Release Certificate (Ex-Servicemen)
• Valid NOC from employer (candidates in Government / PSU service)
• Scanned recent passport-size colour photograph and signature on white paper with black ink pen

Frequently Asked Questions (FAQs)

Q1. What Is Oil India Limited Recruitment 2026 Advertisement No. HRAQ/REC-EX-B/2026-01?

Oil India Limited (OIL), a Maharatna Public Sector Undertaking, has released Advertisement No. HRAQ/REC-EX-B/2026-01 dated 28 May 2026, inviting applications from Indian nationals for 10 vacancies in Grade D/E/F executive cadre. The posts include Deputy Chief Chemist, Deputy Chief Geologist, Deputy Chief Engineer (Reservoir), Deputy Chief Geophysicist, Deputy Chief Engineer (Safety & Environment), and Economist.

Q2. What Is the Last Date to Apply for Oil India Limited Grade D/E/F Recruitment 2026?

The last date to submit the online application for Oil India Limited Grade D/E/F Recruitment 2026 is 23:59 hours on 28 June 2026. The online portal opened at 14:00 hours on 28 May 2026. The cut-off date for age, experience, and qualification is also 28 June 2026.

Q3. How Many Total Vacancies Are There in OIL Grade D/E/F Recruitment 2026?

Oil India Limited has notified a total of 10 vacancies across 6 post codes in Grade D/E/F under Advertisement No. HRAQ/REC-EX-B/2026-01. These are: Deputy Chief Chemist (1), Deputy Chief Geologist (1), Deputy Chief Engineer Reservoir (1), Deputy Chief Geophysicist (1), Deputy Chief Engineer S&E (5 - UR-3, OBC NCL-1, SC-1), and Economist (1). One vacancy is reserved for PwBD candidates.

Q4. What Is the Pay Scale for Oil India Grade D/E/F Posts?

Posts in Grade D carry a pay scale of Rs 90,000 to Rs 2,40,000 with a gross emolument of approximately Rs 1,70,000 per month at minimum of scale. Posts in Grade E and Grade F carry a pay scale of Rs 1,00,000 to Rs 2,60,000 with approximate gross emoluments of Rs 2,00,000 per month at minimum of scale. The Economist post is available in Grade D, E, or F depending on experience.

Q5. What Is the Age Limit for OIL Grade D/E/F Recruitment 2026?

The upper age limit varies by post as on 28 June 2026. For most Grade D posts it is 39 years (with PG qualification benefit). For Deputy Chief Engineer (S&E): UR - 37/39 years, OBC (NCL) - 40/42 years, SC - 42/44 years. For the Economist post: Grade D - 39 years, Grade E - 44 years, Grade F - 49 years. Age relaxation is applicable for SC/ST (5 years), OBC (3 years), PwBD, Ex-Servicemen (5 years), and J&K domicile (5 years). PhD holders get 3 years additional relaxation. The maximum upper age limit after all relaxations shall not exceed 54 years.

Q6. What Is the Minimum Experience Required for OIL Grade D Posts?

All Grade D posts require a minimum of 9 years of post-qualification relevant work experience in the executive cadre. For the Economist post, Grade E requires 13 years and Grade F requires 17 years of experience. Experience from academic, teaching, research, fellowship, apprenticeship, internship, or similar roles does not count as valid work experience.

Q7. What Is the Selection Process for Oil India Limited Grade D/E/F Recruitment 2026?

Selection for all posts under OIL Advt HRAQ/REC-EX-B/2026-01 is based solely on a Personal Interview (PI). There is no written examination. Shortlisted candidates will be called for the Personal Interview and must carry original documents along with self-attested copies. Provisionally selected candidates must also clear a Pre-Employment Medical Examination (PEME) at OIL Hospital, Duliajan, Assam.

Q8. Where to Apply Online for Oil India Limited Grade D/E/F Recruitment 2026?

Candidates must apply online only through the official Oil India Limited website at oil-india.com/advertisement-list under the Advertisement List section in the Current Openings page. The online portal is open from 14:00 hours on 28 May 2026 to 23:59 hours on 28 June 2026. No offline or postal application will be accepted. Candidates applying for more than one post must register and submit separate applications for each post.

Source

This article is based entirely on the official Advertisement No. HRAQ/REC-EX-B/2026-01 released by Oil India Limited dated 28 May 2026. Candidates are advised to visit the official OIL recruitment page at oil-india.com/advertisement-list for the Notification PDF download, updates, corrigendum, and all official communications regarding this recruitment.

Disclaimer

This article is for informational purposes only. VacancyPage.com is not affiliated with Oil India Limited. All vacancy figures, eligibility conditions, pay scales, and dates are sourced strictly from the official notification PDF. Candidates are advised to verify all details from the official OIL notification before applying. OIL reserves the right to cancel, modify, or alter the recruitment process at any stage without prior notice. Beware of fraudulent offers - OIL does not authorize any third party to offer jobs on its behalf.