IOCL Syllabus 2023 and Exam Pattern

IOCL Syllabus 2023 and Exam Pattern: Indian Oil Corporation Limited (IOCL) will soon release an official notification related to the Non-Executive Posts in various divisions on its official website candidates willing to grab this job opportunity must know the IOCL Syllabus 2023 to make their preparation as per the requirement of the exam. Read the full article carefully for further information regarding IOCL Syllabus 2023 and IOCL Exam Pattern 2023.

IOCL Syllabus 2023 and Exam Pattern

It is certainly noticed that IOCL Recruitment Through GATE 2023 will be offered for mechanical, software engineering, metallurgy, electrical, instrumental, etc. The application structure for IOCL Recruitment through GATE 2023 will be in Online Mode. IIT Kanpur will be in incharge to taking GATE 2023.The candidates are required to visit the official website to get more information about this exam. On the official Website the candidates who want to apply for IOCL Post-wise Recruitment can view the important information such as latest news, notification, online application form, important dates, eligibility, last date to apply online, vacancy details, cutoff marks, application form, etc.

What is IOCL?

IOCL is famous for providing employment to all working citizens belonging to any region and background. At IOCL career, educated and freshly starting freshers can apply for various jobs at different IOCL positions. For various job postings candidates can visit their official website( to get more information.

IOCL employees get various benefits and possibilities at IOCL Career. They get paid leaves, monthly salary with additional allowances, and many other uses. IOCL is a highly appreciated company with a high standard of innovation, customers worldwide, technology, people, and ethics. The headquarters of IOCL is in Delhi. IOCL has made a considerable advance in the exploration and Production (E&P) business and has put a partnership in 13 domestic assets and 12 foreign assets either by its own or by the collaboration.

IOCL Exam Date 2023

The dates to apply for the IOCL Post-wise Recruitment Exam are given below:

Events Exam Dates
IOCL Application Form Submission Starting Date June 01, 2023
IOCL Application Form Submission Last Date June 22, 2023
Availability of IOCL Admit Card to be notified
IOCL Exam Date (Non-Executive Post) June 11, 2023
Availability of Admit Card of GATE Exam to be notified
Date of GATE Exam to be notified


List of IOCL Job Role Divisions

The Selected applicants can get post of Engineers under any department of IOCL including Pipeline, Information System, Refinery, Business Development, Optimization, or Subsidiary/ Joint Venture Companies. For more details related to job profiles applicants can refer to the below given table:

Division Name of Sub- Division
Pipelines Operations and Maintenance, Projects, Constructions, etc.
Refineries Engineering, Maintenance, and Inspection, Aviation Services, Quality Control, Sales and Marketing, Technical Services, etc.
Business Development Polymer Projects, Renewable Energy, Petrochemicals, Sustainable Development, Operations, and Gas.
Marketing Engineering, Maintenance, and Inspection, Aviation Services, Quality Control, Sales and Marketing, Technical Services, etc.

Petroleum Engineers will be assigned to the exploration and production business. They will be made to drill engineering designs and handle drilling operations. They will also be managing drilling programs and calculations for the blocks managed by Indian Oils.

IOCL Post-wise Exam Pattern 2023

  1. Written Test
  2. SPPT Round- skill/proficiency /physical/ technical ability

Mentioned below is the exam pattern of the IOCL Post-wise Recruitment Exam 2023:

  • The test will have 100 MCQ based questions in total 100
  • The will have two sections i.e. Engineering discipline and General Aptitude.
  • There will be no negative marking.
  • The duration of the written examination will be 90 minutes. The PwBD candidates for posts reserved for them shall be of 120 minutes. (including extra Compensatory Time)
Subjects No. of Questions Maximum Questions Duration
Concerned Engineering Discipline 75 75 90 minutes
General Aptitude and Reasoning, General English, Numerical Aptitude and General Knowledge 25 25
Total 100 100 90 minutes


Candidates who successfully clear the written exam will appear for the SPPT round, the skill/ technical/ proficiency /physical ability to handle/operate the tools/equipment of the respective engineering discipline they choose. The final merit list is prepared by totalling the marks scored in both rounds of the selection process.

IOCL Exam Pattern for Trade Apprentice Accountant

Trade Apprentice Accountant is one of the greatest posts of Indian Oil, so assuming one will get this post, one needs to clear the test. To clear the test, candidate needs to go through the test pattern given beneath:

Section Marks
Basic English Language Skills 20 Marks
Reasoning Abilities 20 Marks
Generic Aptitude including Quantitative Aptitude 20 Marks
Technical Acumen in Relevant Discipline 40 marks
Total 100 Marks

IOCL, NTPC Limited and Coal India Limited has a joint venture called HURL (Hindustan Urvarak & Rasayan Limited). The aspirants of HURL recruitment must check the details of its selection process along with HURL syllabus and exam pattern.

IOCL Post-wise Syllabus 2023

Subjects Syllabus
Technical Subjects
Chemical Engineering
  • Chemical Engineering
  • Process Calculations and Thermodynamics
  • Chemical Reaction Engineering
  • Instrumentation and Process Control
  • Plant Design and Economics
  • Chemical Technology
  • Fluid Mechanics and Mechanical Operations
  • Heat Transfer
  • Mass Transfer
Instrumentation Engineering
  • Control System and Process Control
  • Analytical, Optical, and Biomedical Instrumentation
  • Signal, Systems, and Communications
  • Digital Electronics
  • Transducers, Mechanical Measurement, and Industrial Instrumentation
  • Basics of Circuit and Measurement Systems
  • Electrical and Electronic Measurements
  • Analog Electronics
Electrical Engineering
  • Basics of Electrical Engineering
  • Lighting design of office areas
  • Various type of motors, various starting methods of various types of motors
  • Substation design and layout in
  • including DG set installations.
  • Transformers, Working principles, protection types, preventive maintenance
  • Pumping systems.
  • Type of earthing, testing, lightning arrestor, etc.
Mechanical Engineering
  • Statics
  • Dynamics
  • Theory of Machines
  • Mechanics of Solids
  • Production Management
  • Thermodynamics
  • Fluid Mechanics
  • Heat Transfer
  • Energy Conversion
  • Environments
  • Material Science
  • Manufacturing Science
General Subjects
General English
  • Idioms and Phrases
  • Verb
  • Noun
  • Articles
  • Voices
  • Odd Man Out
  • Match
  • the Following
  • Adverbs
  • Cloze Test
  • Conditional Sentences
General Aptitude and Reasoning
  • Alphabet
  • Blood Relation
  • Calendar
  • Cause And Effect
  • Coding-Decoding
  • Data Sufficiency
  • Decision Making
  • Direction Distance Reasoning
  • Counting Figures
  • Clock
  • Bonus
  • Bank Reconciliation Statement
  • Shares and Final Accounts
  • Final Statements of Accounts
  • Bills of Exchange Instalment Systems
  • Company Account Absorption and Reconstruction
  • Accounts of Non-trading Concerns Amalgamation
  • Partnership Accounts (including Admission, Retirement, Issues, and Forfeiture of Shares and Debentures, Death, and Dissolution)
  • Accounting Standards Consignments
  • Errors and their Rectification
  • Life Insurance
  • Valuation of Goodwill and Share and Ratio Analysis
  • Depreciation
  • Accounts from Incomplete Records Branch Accounts
  • Basic Concepts and Conventions
  • Joint Ventures
  • Companies Bank Accounts
  • Self-balancing Ledgers
  • Royalties
  • Accounting Standards in India
  • Non-trading Concerns
  • Liquidation of Companies
  • Redemption of Debentures
  • Accounting Process up to and including Preparation of Financial Accounts
  • Errors and their Rectification
Numerical Aptitude
  • Algebraic Equations
  • Comparison of Quantity
  • Data Sufficiency
  • Mixture and Alligation
  • Percentages
  • Number Series
  • Number System
  • Partnership
  • Simplification and Approximation
General Knowledge
  • Budget and Five-year Plans
  • Sports
  • Indian History
  • Important Days
  • General Policy
  • Current Affairs- National and International
  • Abbreviation
  • Science and Technology
  • Countries and Capitals
  • Awards and Honours
  • Indian Economy
  • The Capital of India
  • Books and Authors
  • Science- Inventions and Discoveries
  • The International and National Organisation
  • Indian National Movement

IOCL Post-wise Recruitment Preparation Books

Subject Book Name of the Author/ Publication
Quantitative Aptitude Quantitative Aptitude R.S Aggarwal
Reasoning Verbal and Non-verbal Reasoning R.S Aggrawal
English Language English Grammar Wren and Martin
General Knowledge Daily General Awareness Quizzes Testbook
Electrical Engineering An Integrated Course in Electrical Engineering J.B Gupta
Chemical Reaction Engineering Chemical Reaction Engineering Ram Prasad
Mechanical Engineering Mechanical Engg Objective Book R.S Khurmi

IOCL Post-wise Study Notes

IOCL Post-wise Recruitment Examination is conducted for candidates who wish to enter in the field of engineering and want to have the same job. According to the IOCL Post-wise Recruitment Exam Pattern, there will be a written test and an interview which is more the technical round.Thus, to ace the examination it is very important for the candidates to follow the study notes which are relevant from the exam point of view and also for the development of some practical skills. IOCL Post-wise Recruitment Exam study notes not only cover the syllabus of the examination but are also an excellent source to practise questions and for revision.

IOCL Exam Syllabus PDF Download:

Candidates who are looking for the latest IOCL Exam Syllabus 2023 can download the syllabus instantly from our website. Whenever the syllabus is released you will be given detailed information about the Indian Oil Corporation Limited syllabus and exam pattern in that particular notification. The detailed syllabus of the current and the next phases of exam will also be mentioned in the same notification. Find official site link and direct link to download the updated syllabus here.

How to Prepare for IOCL Exam 2023?

The candidates can follow the preparation tips given below to prepare for the IOCL Exam 2023 effectively. These tips will help you to crack the exam with a good score.

First, the candidates must understand the IOCL Syllabus 2023 and IOCL Exam Pattern 2023.
Make an effective preparation plan and follow it strictly.
Give proper time to all the sections and practice all the questions well.
Solve the previous year’s question papers to understand the level of question paper and the weightage of sections.
Follow the relevant study material.
Make a proper Revision of all the sections.
Attempt the mock tests to analyze your preparation level.

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