OIL India Limited Vacancy 2025 | Apply for Work persons Grade-III, V, and VII Posts – Multiple Vacancies
Oil India Limited (OIL), a Government of India enterprise and a Navratna PSU, invites online applications from eligible Indian nationals for recruitment to various posts at the Field Headquarters in Duliajan, Assam.

OIL India Limited Vacancy 2025:
Post-wise Vacancy Details
Grade |
Post Group |
Vacancies |
Grade III |
Technical (e.g., Assistant Mechanic, Fitter, Operator) |
89 |
Grade V |
Engineering/Support Staff (e.g., Technician, Draftsman) |
54 |
Grade VII |
Advanced Technical (e.g., Boiler Operator, Chemist) |
24 |
Total |
167 |
Educational Qualification
Grade III:
- 10+2 (Science) OR ITI Certificate in relevant trades
- Valid NCVT/SCVT trade certificate
- Must meet physical fitness and trade test requirements
Grade V:
- Diploma in Engineering in relevant discipline (Mechanical, Electrical, Civil, etc.)
- Minimum 2 years' post-qualification experience (for some roles)
Grade VII:
- B.Sc./Diploma/B.Tech in Chemistry/Boiler Operation/Drilling
- Must have valid certification (e.g., Boiler Competency Certificate)
Age Limit (as on 29.06.2025)
Category |
Minimum Age |
Maximum Age |
General/UR |
18 years |
30–33 years |
OBC (NCL) |
18 years |
33–36 years |
SC/ST |
18 years |
35–38 years |
PwBD |
Additional 10 years relaxation |
|
Ex-Servicemen |
As per Govt. of India rules |
Salary Structure
Grade |
Pay Scale (₹) |
Approx. Monthly CTC |
Grade III |
₹26,600 – ₹90,000 |
₹45,000 – ₹60,000 |
Grade V |
₹32,000 – ₹1,27,000 |
₹55,000 – ₹75,000 |
Grade VII |
₹37,500 – ₹1,45,000 |
₹65,000 – ₹85,000 |
Includes Basic Pay, HRA, DA, and other benefits like medical, insurance, PF, and gratuity.
Application Procedure
Mode: Online only
- Visit: https://www.oil-india.com
- Navigate to “Careers → Current Openings”
- Select the relevant advertisement
- Complete online registration
- Fill application form and upload:
- Photograph & Signature
- Educational Certificates
- Caste/Category Certificates (if applicable)
- Photograph & Signature
- Pay application fee (if applicable)
- Submit and print application form for reference
Official Notification: Download
Application Fee
Category |
Fee |
General/OBC (NCL) |
₹200 + GST |
SC/ST/EWS/PwBD/Ex-Servicemen |
Nil |
Selection Procedure
- Computer-Based Test (CBT):
- Objective-type (Multiple Choice)
- Sections: Technical Subject, English, Reasoning, General Awareness
- 100 Questions, 100 Marks
- Duration: 2 hours
- Negative Marking: 0.25 marks for each wrong answer
- Skill/Proficiency Test (for certain posts only)
- Document Verification & Medical Examination
Final selection is purely merit-based, subject to qualification in CBT and trade test (if applicable).
Important Dates
Event |
Date |
Application Start Date |
01 July 2025 |
Last Date to Apply |
29 July 2025 (11:59 PM) |
CBT Date |
Will be notified later |