IOCL Syllabus

IOCL Syllabus 2026: Subject-Wise Topics, Exam Pattern, Eligibility & Vacancies

The Indian Oil Corporation Limited (IOCL) released its detailed advertisement on 14 August 2926 for Executive Recruitment via Computer Based Test (CBT). Understanding the IOCL Syllabus is the first step toward selection. This blog covers the exam pattern, eligibility, salary and dates per the official notification, with focus on engineering posts. 

IOCL Recruitment 2026: Overview 

The Indian Oil Corporation Limited is a Maharatna Central Public Sector Enterprise. Check out the IOCL latest job notifications given below:

Post Grade Qualification
Graduate Engineer A BTech/BE (Chemical, Civil, CS/IT, Electrical, Electronics & Communication, Instrumentation, Mechanical)
Officer (Marketing) A MBA/PGDBA in Marketing
Law Officer A Graduation + LLB/5-year integrated LLB
Assistant Quality Control Officer A0 MSc Chemistry (with specialisations)
Diploma Engineer E0 3-year Diploma in Electrical, Mechanical or Safety Engineering

Note: The vacancy numbers are not specified as of yet. 

IOCL Syllabus 2026 for Engineers 

The IOCL Syllabus 2026 Subject-Wise topics are divided into two sections: General Aptitude and Domain Knowledge.

Section Subject Number of Questions
A Quantitative Aptitude 20
A Logical Reasoning 15
A Verbal Ability (English) 15
B Domain Knowledge (as per discipline) 50

For Graduate Engineers, the Domain Knowledge paper is discipline-specific and largely GATE-pattern. Core topics generally tested for each branch:

Discipline Core Topics
Civil Structural Analysis, RCC & Steel Design, Geotechnical, Surveying, Fluid Mechanics
Mechanical Thermodynamics, Strength of Materials, Machine Design, Manufacturing
Electrical Electrical Machines, Power Systems, Control Systems, Circuit Theory
Electronics & Communication Analog & Digital Electronics, Communication Systems, Circuit Theory
Instrumentation Sensors & Transducers, Process Control
Computer Science/IT Data Structures, DBMS, OS, Networks, Programming
Chemical Reaction Engineering, Mass & Heat Transfer, Petroleum Refining

IOCL Exam Pattern 2026 

The IOCL Exam Pattern consists of 100 Objective MCQs, 1 mark each with 0.25 marks deducted per incorrect answer.

Section Topics Duration
A General Aptitude (Quant, Reasoning, English) 60 minutes (80 mins with compensatory time for eligible PwBD candidates)
B Domain Knowledge 90 minutes (120 min with compensatory time)

Section A is followed by Section B in fixed order. Candidates must clear the sectional and overall cut-off to qualify. 

IOCL Eligibility Criteria 2026 

The IOCL Eligibility criteria cover IOCL qualification, age and work experience. Check out the IOCL eligibility criteria 2026 given below:

Post Min % (Gen/EWS/OBC-NCL) Min % (SC/ST/PwBD) Max Age (Gen/EWS)
Graduate Engineer 65% 55% 26 years
Officer (Marketing) 60% 55% 28 years
Law Officer 60% 55% 30 years
Assistant QC Officer 60% 55% 30 years
Diploma Engineer 65% 55% 26 years

IOCL Age Limit is calculated as on 1st July 2026, with relaxation for OBC(NCL), SC/ST, PwBD and ex-servicemen. BTech freshers can apply for Graduate Engineer and Diploma Engineer posts, since no work experience is mandated. 

IOCL Selection Process 2026 

The IOCL Selection Process has three stages: 

  1. Computer Based Test (CBT) 
  2. Group Discussion (GD) and Group Task (GT) 
  3. Personal Interview (PI) 

Check out the weightages of each stages and the minimum passing marks given below:

Component Weightages Minimum Pass Marks (%)
Computer Based Test (CBT) 85% As per rules
Group Discussion (GD) and Group Task (GT) 5% 40%
Personal Interview (PI) 10% 40%
Composite Score General, EWS and OBC (NCL)- 45% SC/ST- 40% PwBD- 30%

IOCL Salary Structure 2026

The IOCL Salary and IOCL Engineer Salary details, including approximate CTC, are as follows:

Grade Initial Basic Pay/Month Pay Scale Approximate CTC per Annum
A (Engineer/Marketing/Law) INR 50,000 INR 50,000- INR 1,60,000 INR 18.4 LPA
A0 (Assistant QC Officer) INR 40,000 INR 40,000- INR 1,40,000 INR 14.8 LPA
E0 (Diploma Engineer) INR 30,000 INR 30,000- INR 1,20,000 INR 11.1 LPA

This IOCL Salary Structure for engineers also includes DA, HRA, medical, gratuity, PF, LTC/LFA and PRP. 

IOCL Application Form and Fee 2026 

Candidates can fill the IOCL application form only through the official website. The IOCL Application Fee 2026 is given below:

Category Application Fee
Gen/EWS/OBC/NCL INR 1000
SC/ST/PwBD Nil

Selected candidates must serve a 3-year bond (INR 3 Lakhs for General Grade A; lower for reserved categories and Grade A0/E0). 

Important Dates for IOCL Recruitment 2026 

Check out the important dates for IOCL Recruitment 2026 given below:

Activity Date
Start of Online Application 14 August 2026
Last Date to Apply 3 September 2026 (till 5 PM)
Admit Card Release 15 September 2026
CBT Exam Date 24 September 2026

How to Prepare for IOCL 2026 Exam with MADE EASY

Since Domain Knowledge mirrors GATE-level concepts, candidates from core disciplines (Civil, Mechanical, Electrical, ECE, Instrumentation, Chemical) benefit from a structured GATE-pattern approach. Joining the Fastrack Practice Batch for IOCL 2026 Exam by MADE EASY is a helpful strategy to boost your preparation. The batch is starting from 1 September 2025 for CE, ME, EE and CE branches. The practice session offers both technical and non-technical subjects. Moreover, it covers IOCL PYQs along with recorded class access. Live doubt support is also available for students to quickly resolve doubts. Further, the session provides 3 complementary mock tests with CPQ PDFs. 

Check out some few tips for IOCL preparation 2026:

  • Go through the official syllabus and exam pattern before building a study plan. 
  • Strengthen fundamentals using MADE EASY classroom/online courses, built around the GATE/PSU syllabus overlapping with IOCL’s domain knowledge paper. 
  • Use MADE EASY Publications books per discipline, structured subject-wise to match the technical topics. 
  • Take sectional and full-length mocks to manage negative marking.

Frequently Asked Questions

Q1. What is the IOCL Syllabus 2026 for Engineers?

Ans: There are two sections in the IOCL Syllabus 2026 for Engineers: Section A includes Quantitative Aptitude, Logical Reasoning, Verbal Ability and Section B which is domain knowledge based on the candidate’s engineering discipline.

Q2. Is there negative marking in the IOCL 2026 exam?

Ans: Yes, a negative marking of 0.25 marks is deducted for every wrong answer. Each correct question carries 1 mark.

Q3. What is the age limit for IOCL 2026?

Ans: The IOCL age limit is: 26 years for Graduate/Diploma Engineers, 28 for Officer (Marketing), 30 for Law officers/AQCO (Gen/EWS), with relaxation for reserved categories.

Q4. What is the salary of an IOCL Grade A officer in 2026?

Ans: Grade A officers start with a basic pay of INR 50,000 per month in the scale of INR 50,000 to INR 1,60,000 with an approximate CTC of INR 18.4 LPA.

Q5. Is the IOCL exam based on GATE scores?

Ans: No, IOCL 2026 recruitment runs through IOCL’s own CBT, not through GATE.

Dear Aspirants, Your preparation for GATE, ESE, PSUs, and AE/JE is now smarter than ever — thanks to the MADE EASY YouTube channel. This is not just a channel, but a complete strategy for success, where you get toppers strategies, PYQ–GTQ discussions, current affairs updates, and important job-related information, all delivered by the country’s best teachers and industry experts. If you also want to stay one step ahead in the race to success, subscribe to MADE EASY on YouTube and stay connected with us on social media. MADE EASY — where preparation happens with confidence.

Leave a Reply

Your email address will not be published. Required fields are marked *