Introduction
Indian Oil Corporation Limited (IOCL), India’s flagship energy company, has released the official IOCL Recruitment 2025 Notification for the recruitment of Junior Engineers/Officers (Grade E0). This highly anticipated recruitment drive offers exciting opportunities for candidates who aspire to be part of one of India’s largest and most reputed public sector undertakings. With a focus on technical and engineering talent, this notification opens doors for diploma engineers in Chemical, Mechanical, Electrical, and Instrumentation fields.

In this article, you will find a complete guide covering eligibility criteria, application process, important dates, exam pattern, salary structure, selection process, FAQs, and much more related to the IOCL Junior Engineer/Officer Recruitment 2025.
- Introduction
- About Indian Oil Corporation Limited (IOCL)
- IOCL Recruitment 2025 Notification – Overview
- Eligibility Criteria
- Important Dates
- Application Process
- Exam Pattern
- Salary and Benefits
- Download of Call Letter / Admit Card for IOCL Junior Engineer/Officer Recruitment 2025
- Service Bond
- Job Role and Placement
- FAQs on IOCL Recruitment 2025 Notification
About Indian Oil Corporation Limited (IOCL)
IOCL is a Maharatna PSU with a robust presence across the oil, gas, petrochemicals, and emerging energy solutions industry. It plays a significant role in India’s energy security, contributing to various initiatives, including green energy and digital transformation. As a Fortune Global 500 company, IOCL provides lucrative job opportunities in various domains, especially in engineering roles that support its refineries, pipelines, marketing, and renewable energy sectors.
IOCL Recruitment 2025 Notification – Overview
- Post Name: Junior Engineer/Officer (Grade E0)
- Discipline: Chemical, Mechanical, Electrical, Instrumentation
- Pay Scale: ₹30,000 – ₹1,20,000 per month
- Mode of Selection: Computer Based Test (CBT), Group Discussion (GD), Group Task (GT), and Personal Interview (PI)
- Application Mode: Online only
- Official Website: www.iocl.com
Eligibility Criteria
Educational Qualification:
Candidates must hold a Diploma (Full-Time Regular) in the following disciplines from AICTE/UGC/State Boards recognized institutes:
- Chemical: Chemical Engineering, Chemical Technology, Fertilizer Technology, Petrochemical Engineering
- Mechanical: Mechanical Engineering
- Electrical: Electrical, Electrical & Electronics, Power System, Industrial Control
- Instrumentation: Instrumentation, Applied Electronics & Instrumentation, Instrumentation & Control
Minimum Marks Required:
- General/EWS/OBC-NCL: ≥65%
- SC/ST/PwBD: ≥55%
Important Notes:
- Part-time, correspondence, or online learning diplomas are not eligible.
- Higher qualifications like B.Tech, MBA, CA, etc., are not considered.
- Final marksheet to be available by 31st October 2025.
Age Limit:
- General/EWS: ≤26 years (as of 01 July 2025)
- OBC(NCL)/SC/ST/PwBD: Age relaxation as per Govt of India norms.
Important Dates
| Activity | Date |
| Start Date for Application | 12th September 2025 |
| Last Date for Application | 28th September 2025 (5:00 PM) |
| Admit Card Release | 16th October 2025 |
| Computer-Based Test (CBT) | 31st October 2025 |
Candidates must regularly check IOCL Careers Page for any updates.
Application Process
Step-by-Step Guide:
- Visit the official IOCL careers portal: www.iocl.com.
- Navigate to “Latest Job Openings” and select the relevant IOCL Recruitment 2025 Notification link.
- Register by filling in personal details and uploading:
- Recent passport-size photograph
- Signature in black ink
- Left thumb impression
- Pay the application fee (Rs. 400 + applicable GST) via online mode (SC/ST/PwBD are exempt).
- Submit the application and take a printout of the system-generated form for future reference.
Exam Pattern
Computer-Based Test (CBT):
- Total Marks: 100
- Duration: 150 Minutes
- Sections:
- Domain Knowledge – 50 Questions
- Quantitative Aptitude – 20 Questions
- Logical Reasoning – 15 Questions
- Verbal English – 15 Questions
Negative marking: 0.25 marks for each incorrect answer.
Further Selection Stages:
- Group Discussion (GD) & Group Task (GT)
- Personal Interview (PI)
Weightage in Final Merit:
- CBT – 85%
- GD & GT – 5%
- Personal Interview – 10%
Minimum Passing Criteria:
- General/EWS/OBC-NCL: 45% composite score
- SC/ST: 40%
- PwBD: 30%
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Salary and Benefits
- Initial Basic Pay: ₹30,000/- to ₹1,20,000/- month
- Total Gross Package (Approx.): ₹10.6 Lakh per annum, inclusive of Performance Related Pay (PRP).
- Other Allowances (Approx):
- Dearness Allowance (DA)
- HRA/Subsidized Housing
- Medical Facilities
- Gratuity
- Provident Fund
- Group Personal Accident Insurance
- Leave Travel Concession
Download of Call Letter / Admit Card for IOCL Junior Engineer/Officer Recruitment 2025
One of the crucial steps in the IOCL Recruitment 2025 process is downloading the Call Letter (Admit Card) for the Computer Based Test (CBT). The admit card contains important information such as the exact date, time, and venue of the examination.
Key Points to Remember:
- The Admit Card will be issued approximately 10 days prior to the CBT exam date.
- Candidates must visit the official IOCL website:
https://www.iocl.com → Latest Job Openings → Download Call Letter.
Required Credentials for Download:
- Registration Number/Roll Number
- Password or Date of Birth
Instructions for Exam Day:
- Candidates must affix a recent, recognizable photograph on the call letter. Ideally, the same photograph used during online registration.
- It is mandatory to carry the Call Letter (Admit Card) along with a valid Photo Identity Proof (original and photocopy) to the examination center.
Valid Photo Identity Proof Options:
- PAN Card
- Passport
- Voter ID
- Aadhar Card
- Driving License
- Employee ID Card
Failure to present the Call Letter and Photo Identity Proof in the prescribed format will result in the candidate not being allowed to appear for the exam.
Candidates should regularly monitor the official IOCL Careers page and check their registered email/SMS for intimation regarding admit card availability.
Service Bond
- General: ₹2 Lakh for a 3-year service bond
- Reserved categories (EWS/OBC/SC/ST/PwBD): ₹35,000 for a 3-year service bond
Job Role and Placement
Selected Junior Engineers/Officers can be posted anywhere across India or in Overseas Units as per IOCL’s discretion. The job functions may include:
- Maintenance of Refineries, Pipelines, and Gas Projects
- Engineering Operations
- Renewable Energy Initiatives
- Petrochemical & Polymer Development
FAQs on IOCL Recruitment 2025 Notification
A1: The last date to apply online is 28th September 2025 by 5:00 PM.
A2: The selection process includes CBT, Group Discussion, Group Task, and Personal Interview.
A3: Yes, age relaxation applies as per Government of India norms.
A4: Original educational certificates, caste certificate (if applicable), PwBD certificate, identity proof, and application form.
A5: Rs. 400 + applicable GST.
A6: Applications can be submitted only via the official IOCL portal www.iocl.com.
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