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IOCL Recruitment 2025 has announced the recruitment of Engineers and Officers (Grade A) through the Computer-Based Test (CBT) in 2025. This is a great opportunity for engineering graduates aiming for a stable, high-paying government job in the oil and energy sector.

In this detailed guide, you will find eligibility criteria, selection process, exam pattern, syllabus, salary, preparation tips, FAQs, and much more. If you want to crack the IOCL CBT exam in the first attempt, keep reading till the end.

About IOCL Recruitment 2025

Indian Oil Corporation Limited, a Maharatna company, plays a crucial role in fueling India’s growth. With a presence in refining, marketing, pipelines, petrochemicals, and renewable energy, IOCL offers career opportunities that combine technical challenges with job stability and growth.

This year, IOCL is hiring Engineers/Officers for multiple disciplines through direct recruitment via CBT, followed by GD, GT, and Personal Interviews.

IOCL Recruitment 2025: Key Highlights

Organization Indian Oil Corporation Limited (IOCL)
Post Name	Engineers/Officers (Grade A)
Advertisement Number	IOCL/CO-HR/RECTT/2025/01
Application Mode	Online
Start Date	05 September 2025
Last Date to Apply	21 September 2025 (till 5:00 PM)
CBT Exam Date	31 October 2025
Selection Process	CBT, GD, GT & Personal Interview
Salary	₹50,000 – ₹1,60,000 per month
Official Website	www.iocl.com

IOCL Recruitment 2025: Important Dates

Event Date

Notification Release Date- 05 September 2025

Online Application Start Date- 05 September 2025

Online Application Last Date- 21 September 2025 (5:00 PM)

Admit Card Download- 17 October 2025

CBT Exam Date- 31 October 2025

GD, GT & PI Dates To be notified soon

IOCL Engineer Recruitment 2025: Eligibility Criteria

Educational Qualification	Full-time B.E./B.Tech in Chemical Engineering /Electrical Engineering /Instrumentation Engineering
Minimum Marks Requirement
General/EWS/OBC	NCL: 65% marks
SC/ST/PwBD	55% marks

Age Limit (as of 1st July 2025)

Category Maximum Age Limit

General/EWS -26 years

OBC (Non-Creamy)- 29 years

SC/ST- 31 years

PwBD Additional 10 years

IOCL Recruitment 2025: Selection Process

The selection will be conducted in three stages:

Computer-Based Test (CBT)
Group Discussion (GD) & Group Task (GT)
Personal Interview (PI)

The final merit list will be based on composite scores from all stages.

IB Recruitment 2025: 455 Vacancies, Eligibility, Salary & Apply Online

IOCL Engineer Exam Pattern 2025

Section	No. of Questions	Marks
Domain Knowledge	50	50
Quantitative Aptitude	20	20
Logical Reasoning	15	15
English Language	15	15
total	100	100

Negative Marking: 0.25 marks per wrong answer

Duration: 150 minutes

IOCL Engineer Salary & Perks

Basic Pay:	₹50,000/month
Pay Scale:	₹50,000 – ₹1,60,000
CTC:	Approx. ₹17.7 LPA (including PRP)
Other Benefits:	HRA, Medical Insurance, PF, Gratuity, LTC, Housing, and Performance Bonus.

How to Apply for IOCL Recruitment 2025

Visit the official website: www.iocl.com
Click on Latest Job Openings → Engineers/Officers Recruitment 2025
Register with valid email and mobile number
Fill in the application form correctly
Upload photo, signature, and documents
Pay the application fee (if applicable)
Submit and download the confirmation page

IOCL Application Fee 2025

Category Fee

General/OBC/EWS	₹500 + GST
SC/ST/PwBD	No Fee

Preparation Tips for IOCL CBT Exam 2025

Cracking the IOCL Engineer exam requires smart preparation. Here are proven tips:

Understand the Syllabus & Exam Pattern- Understand the weightage of each subject and prepare accordingly. Focus on General Knowledge, Reasoning, Mathematics, and Marathi Language sections. Check the official notification for the detailed syllabus.
Create a Study Schedule- Dedicate 2–3 hours daily for study. Allocate time for each subject based on your strengths and weaknesses.
Practice Previous Year Question Papers- Solving old papers improves speed and accuracy. Helps you understand the type of questions asked. Quantitative Aptitude: R.S. Aggarwal Logical Reasoning: R.S. Aggarwal
Take Mock Tests Regularly- Attempt at least one mock test weekly. Analyze mistakes and improve weak areas.
Focus on Time Management- The exam will be time-bound, so practice solving questions quickly.
Revise Daily- Keep 15–20 minutes daily for quick revision of formulas, GK facts, and vocabulary.
Numerical Aptitude
Concept Clarity: Focus on percentages, ratios, averages, time & work, simple & compound interest.
Practice Regularly: Solve 15–20 math questions daily to improve speed.
Learn Shortcuts: Practice mental math tricks to save time in calculations.
Mock Tests & Previous Papers
One Mock Test Per Week: Start with weekly mock tests, then increase frequency.
Analyze Mistakes: Review weak areas and work on them before the next test.
Previous Papers: Solve at least 5 years of papers to understand question trends. This helps understand the exam difficulty and question types.
Strengthen Core Engineering Subjects– Focus on core concepts from your branch (Chemical, Electrical, Instrumentation). Use GATE preparation books for accuracy.
Improve English Language Skills- Practice comprehension, vocabulary, and grammar daily.