Oil India Limited (OIL), a Maharatna Central Public Sector Undertaking under the Ministry of Petroleum and Natural Gas, has opened online applications for 3 experienced Executive Cadre vacancies under Advertisement No. HRAQ/REC-EX-B/2026-02 dated 11 September 2026.
The recruitment covers Deputy Chief Chemist, Deputy Chief Engineer (Reservoir) and Economist posts in Grade D/E/F. Online applications opened on 11 September 2026 at 11:00 AM and close on 10 October 2026 at 11:00 AM.
Oil India Recruitment 2026 Overview
| Particular | Details |
|---|---|
| Organisation | Oil India Limited |
| Advertisement No. | HRAQ/REC-EX-B/2026-02 |
| Advertisement date | 11 September 2026 |
| Total vacancies | 3 |
| Posts | Deputy Chief Chemist, Deputy Chief Engineer (Reservoir), Economist |
| Grades | D / E / F |
| Application mode | Online |
| Applications open | 11 September 2026, 11:00 AM |
| Last date | 10 October 2026, 11:00 AM |
| Eligibility cut-off | 10 October 2026 |
| Selection | Personal Interview |
| Primary posting | Duliajan, Assam |
| Transfer liability | Any OIL operational area / office |
Vacancy Details
| Post | Code | Category | Vacancy | Grade |
|---|---|---|---|---|
| Deputy Chief Chemist | CHEM-01 | OBC-NCL | 1 | D |
| Deputy Chief Engineer (Reservoir) | RES-02 | UR | 1 | D |
| Economist | ECO-03 | UR | 1 | D / E / F |
| Total | 3 |
Qualification Overview
The recruitment covers postgraduate and engineering qualifications depending on the post. A quick qualification summary is PG / Engineering Degree; the exact post-wise requirements are listed below.
Post-wise Qualification, Experience and Age
| Post | Essential Qualification | Minimum Relevant Experience | Upper Age |
|---|---|---|---|
| Deputy Chief Chemist | Postgraduate Degree in Chemistry of at least 2 years with 60% marks; Physics, Chemistry and Mathematics must have been studied at graduation level | 9 years | 42 years |
| Deputy Chief Engineer (Reservoir) | 4-year Bachelor's Degree in Petroleum Engineering with 65% marks; or 2-year Master's in Petroleum Engineering / Petroleum Technology with 60% plus 4-year Engineering Bachelor's Degree | 9 years | 37 / 39 years depending on qualification route |
| Economist – Grade D | Postgraduate Degree in Economics / Business Economics with 60% marks | 9 years | 39 years |
| Economist – Grade E | Same essential qualification | 13 years | 44 years |
| Economist – Grade F | Same essential qualification | 17 years | 49 years |
The experience must be post-qualification relevant work experience in Executive Cadre. Academic, teaching, research-fellowship, JRF/SRF, PhD scholar, apprenticeship, internship, project/stipendiary and similar engagements are not counted under the notified experience definition.
Private-sector experience is considered only where the employer meets the turnover condition stated in the notification.
Pay Scale
| Grade | Pay Scale |
|---|---|
| Grade D | ₹90,000–₹2,40,000 |
| Grade E | ₹1,00,000–₹2,60,000 |
| Grade F | ₹1,00,000–₹2,60,000 |
Approximate gross monthly emoluments at the minimum of scale are reported by OIL as about ₹1.70 lakh for Grade D and ₹2.00 lakh for Grade E/F, along with applicable allowances and company benefits.
Pay varies by post and grade, so candidates should compare the applicable scale for the exact post they intend to apply for.
Age Relaxation
Relaxation is available according to the recruitment rules for eligible categories, including:
- OBC-NCL
- SC/ST where applicable
- PwBD
- Ex-Servicemen
- eligible Jammu & Kashmir domicile candidates
- relevant PhD holders
- eligible OIL internal candidates
The recruitment states an overall maximum ceiling of 54 years after applicable relaxations.
Application Fee
The current recruitment notice does not list an application-fee amount. Candidates should check the official application portal for any payment instruction before final submission.
Selection Process
Selection is through:
- Eligibility scrutiny / shortlisting
- Personal Interview (PI)
- Document Verification
- Pre-Employment Medical Examination (PEME) for selected candidates
There is no written examination in the notified selection process.
OIL may raise the shortlisting standard if the number of eligible applicants is large.
Probation
Selected candidates are placed on one year of probation. Confirmation is subject to successful completion of the probation period and applicable company requirements.
Posting
The projected vacancies are primarily for Field Headquarters, Duliajan, Assam.
However, selected candidates are liable to be posted or transferred to other OIL operational areas or offices according to organisational requirements.
Important Dates
| Event | Date & Time |
|---|---|
| Advertisement / application start | 11 September 2026, 11:00 AM |
| Last date to apply | 10 October 2026, 11:00 AM |
| Eligibility cut-off | 10 October 2026 |
| Personal Interview | To be communicated to shortlisted candidates |
Check Your Eligibility Before Applying
Use the Regal Naukri Eligibility Pre-check to compare the notification's age and qualification conditions with your own details. You can also use the Age Calculator with the recruitment's official cut-off date. These tools are for preliminary checking; the Oil India notification and document verification remain authoritative.
How to Apply
- Visit the Official Oil India Advertisement List.
- Locate Advertisement for Recruitment in Grade D/E/F in Executive Cadre in OIL.
- Read the Official Advertisement Document.
- Open the Official Oil India Application Portal.
- Register using a valid email address and mobile number.
- Select the exact post / grade for which you satisfy the eligibility criteria.
- Enter qualification and post-qualification experience details carefully.
- Upload the required photograph, signature and supporting certificates.
- Preview all information before final submission.
- Submit the online application before 10 October 2026 at 11:00 AM.
- Save the submitted application / acknowledgement.
No printout or hard copy is required to be sent to OIL unless specifically requested later.
Documents to Keep Ready
| Document | Purpose |
|---|---|
| Degree / PG certificates | Essential qualification |
| Semester / year-wise marksheets | Marks verification |
| Experience certificates | 9 / 13 / 17-year experience requirement |
| Job-role / responsibility proof | Relevant-experience verification |
| Current / past employment documents | Employment verification |
| Category certificate | OBC-NCL / other applicable claim |
| PwBD certificate | Disability claim |
| Ex-Servicemen certificate | Ex-SM relaxation |
| NOC | Government / PSU employees at PI stage |
| Photograph and signature | Online application |
Important Links
| Link | Purpose |
|---|---|
| Official Oil India Advertisement List | Current recruitment listing |
| Official Detailed Advertisement | Advertisement HRAQ/REC-EX-B/2026-02 |
| Official Apply Online Portal | Direct application portal |
| Oil India Official Website | Organisation website |
Frequently Asked Questions
How many vacancies are available?
There are 3 vacancies — one each for Deputy Chief Chemist, Deputy Chief Engineer (Reservoir) and Economist.
What qualifications are required?
Qualifications vary by post and include relevant postgraduate or engineering degrees. Check the exact post-wise requirements before applying.
How much experience is required?
The minimum is 9 years, while Economist Grade E and F require 13 and 17 years respectively.
What is the last date?
Online applications close on 10 October 2026 at 11:00 AM.
What is the selection process?
Selection is through Personal Interview, followed by document verification and pre-employment medical examination.
Is there an application fee?
The current notice does not list a fee amount. Check the official application portal before final submission.