ISRO Exam Syllabus: Check ISRO SC, Assistant, LDC, UDC, Steno Syllabus 2023

ISRO Exam Syllabus: Check ISRO SC, Assistant, LDC, UDC, Steno Syllabus 2023

ByAina Parasher  |  Updated on: Mar 28, 2023
Read about the important topics in ISRO Exam Syllabus 2023. Know the discipline-wise ISRO Syllabus for SC, Assistant, LDC, UDC, Steno, etc. Know the important topics as well.

The ISRO exam syllabus has been released by the ISRO Centralized Recruitment Board (ICRB) for the 2023 exam. Each year ISRO conducts the written exam for Scientist/Engineer, Junior Personal Assistant, Assistant, UDC, Stenographer, and various other posts. To prepare for the written exam, applicants must review the ISRO exam syllabus thoroughly.

The first step in preparation is understanding the ISRO Exam Syllabus 2023 for the upcoming exam because it enables applicants to assess their level of preparation and determine how much more they must study to pass the selection process. Here, we have provided the ISRO exam syllabus for various branches in detail.

ISRO Exam Syllabus 2023 Overview

The ISRO Exam Syllabus is released by the Indian Space Research Organization (ISRO) itself. The syllabus is usually provided in the official notification of the exam that is published on the ISRO's official website. ISRO Centralized Recruitment Board (ICRB) employs candidates every year for the position of Scientist/ Engineer (SC) and various other posts in the Indian Space Research Organization.

ISRO exam syllabus 2023 will strictly stick to the topics related to the specific discipline as chosen by the candidates. Apart from that, for some posts questions based on Quantitative Aptitude, Reasoning, and English are also asked apart from the discipline or trade-specific questions. We have briefly described the complete ISRO Scientist/ Engineer syllabus in the coming sections for all the branches.

ISRO Exam Syllabus 2023 PDF

The Downloadable PDF of the comprehensive ISRO Exam Syllabus 2023 is available here for applicants. The branch-wise Engineering syllabus is available in PDF format. Candidates can check the link provided below to obtain the ISRO exam syllabus for their desired post.

ISRO Exam Syllabus PDF

ISRO Exam Syllabus Highlights

The ISRO exam syllabus for each post may vary slightly, but here are the broad topics covered in the ISRO exams:

  • General Aptitude
  • English Language
  • Technical Subjects
  • General Knowledge

ISRO Scientist/ Engineer Syllabus 2023

ISRO Scientists/ Engineer exam syllabus are be based on the curriculum taught in B.E./ B.Tech in the respective field. ISRO releases vacancies, especially in Civil, Mechanical, Electrical, Electronics, and Computer Science.

The ISRO Exam Syllabus 2023 for Civil, Electrical, Electronics and Communication, Mechanical, Automobile, Computer Science, Architecture, Refrigeration, and Air-Conditioning Engineering is provided below. Candidates who are willing to join must go through the ISRO exam syllabus for Scientist/ Engineer to prepare for the upcoming exam. The detailed syllabus for every branch is given below:

ISRO Exam Syllabus 2023 for Civil Engineering

Candidates can check the topics covered in ISRO Scientist/ Engineer Syllabus for Civil Engineering.

  • Building Materials
  • Surveying
  • Transportation Engineering
  • Soil Mechanics
  • Hydraulics 

ISRO Exam Syllabus 2023 for Electrical Engineering

The topics covered in ISRO Scientist/ Engineer Syllabus for Electrical Engineering are provided below.

  • Basic concepts
  • Circuit law
  • AC Fundamentals
  • Basic Electronics
  • Measurement & Measuring Instruments

ISRO Exam Syllabus 2023 for Electronics and Communication Engineering

Candidates can check the topics covered in ISRO Scientist/ Engineer Syllabus for Electronics and Communication given below.

  • Basics of Circuits & Measurement Systems
  • Digital Electronics
  • Analytical, Optical Instrumentation
  • Analog Electronics
  • Electrical and Electronic Measurements

ISRO Exam Syllabus 2023 for Mechanical Engineering

Candidates can check the topics covered in ISRO Scientist/ Engineer Syllabus for Mechanical Engineering.

  • Heat Engines
  • The strength of Materials
  • Structural Engineering
  • Thermodynamics
  • Fluid Mechanics

ISRO Exam Syllabus 2023 for Automobile Engineering

Candidates can check the topics covered in ISRO Scientist/ Engineer Syllabus for Automobile Engineering provided below.

  • Automobile Machine Shop
  • Automobile Chassis and Transmission
  • Auto Repair and Maintenance
  • Auto Electrical & Electronics
  • Automobile Mechanics

ISRO Exam Syllabus 2023 for Computer Science Engineering

The topics included in the ISRO Scientist/ Engineer Syllabus for Computer Science Engineering are as follows.

  • Databases
  • Computer Organization & Architecture
  • Operating System
  • Compiler Design
  • Web technologies

ISRO Exam Syllabus 2023 for Assistant/UDC/Jr. P. Assistant

The ISRO exam syllabus carries four major sections which are Quantitative Aptitude, General Knowledge, General Intelligence & Reasoning Ability, and General English. A complete description of the entire syllabus is shown in the table below:



Quantitative Aptitude

Number Systems
Probability and Statistics

General Knowledge

Current affairs,
Indian geography,
Indian polity,
Indian economy,
science and technology,
important dates and events,
national and international organizations,
sports, awards, and honors

General Intelligence & Reasoning Ability

Verbal and non-verbal reasoning,
similarities and differences,
space visualization,
spatial orientation,
relationship concepts,
arithmetical reasoning, and
figural classification

General English

Reading comprehension,
antonyms, synonyms,
vocabulary and grammar,
sentence structure,
spotting errors,
sentence completion,
idioms and phrases,
comprehension of passages.

How to Cover the ISRO Exam Syllabus?

Here is a 5-point study plan that you can follow to prepare the ISRO Exam Syllabus efficiently:

  • Examine and inspect the syllabus and exam pattern of the ISRO Exam thoroughly.
  • Create a study plan that covers all the topics in the ISRO Exam Syllabus in sufficient time.
  • Solve questions with previous years' question papers which is a crucial step.
  • Revision is important for retaining what you have studied. Make sure to revise the important topics and formulas regularly. 
  • Create short notes to revise the key concepts quickly.

Books for ISRO Exam Syllabus

It is important to choose the right study material that suits your needs and covers the entire syllabus. Here are some books that you can refer to for the ISRO Exam Syllabus:

  1. General Knowledge: Manorama Yearbook, Lucent's General Knowledge, Pratiyogita Darpan, and Arihant General Knowledge.
  2. Technical Subjects: For technical subjects, refer to your college textbooks, as they cover the core concepts in detail. You can also refer to books like "ISRO Technical Assistant Electronics & Communication Engineering" by Disha Experts, "ISRO Mechanical Engineering" by RPH Editorial Board, and "ISRO Electrical Engineering" by GKP.
  3. Quantitative Aptitude: "Quantitative Aptitude for Competitive Examinations" by R.S. Aggarwal, "Fast Track Objective Arithmetic" by Rajesh Verma, and "Quantitative Aptitude" by Arun Sharma.
  4. Reasoning: "A Modern Approach to Verbal & Non-Verbal Reasoning" by R.S. Aggarwal, and "Logical and Analytical Reasoning" by A.K. Gupta.
  5. English Language: "Objective General English" by S.P. Bakshi, "Word Power Made Easy" by Norman Lewis, and "High School English Grammar and Composition" by Wren and Martin.

ISRO Syllabus FAQs

  • The ISRO exam syllabus is a collection of topics important for the ISRO exam. The ISRO exam syllabus for Scientist/ Engineer post is the same as per your B.Tech/B.E. degree curriculum. Candidates preparing for the exam must refer to their undergraduate curriculum for preparation.

  • Yes, candidates from different branches will have a different ISRO Scientist/ Engineer Syllabus. Candidates preparing for the exam must refer to the syllabus of their respective Engineering discipline.

  • The ISRO Scientist/ Engineer syllabus for Computer Science Engineering consists of Databases, Computer Organization and Architecture, Operating systems, Web Technologies, Information Systems, and Software Engineering, Computer Networks, Compiler Design, etc

  • The ISRO syllabus for Mechanical Engineering includes Heat Engines, Thermodynamics, Fluid Mechanics, Hydraulics, Structural Engineering, Automobile Engineering, Theory of Machines, Manufacturing Technology, Industrial Engineering & Management, etc.

  • No, the ISRO Exam syllabus is different for different branches such as Electronics and Communication Engineering, Mechanical Engineering, Computer Science, and Electrical Engineering.

  • Yes, there is a negative marking in the ISRO Exam. For every incorrect answer, 1/3rd of the marks allotted to the question will be deducted as a penalty.

  • The ISRO Exam pattern consists of two stages: a written test and an interview. The written test is further divided into two parts: Part A and Part B. Part A consists of objective-type questions while Part B consists of descriptive-type questions.

  • To prepare for the ISRO Exam syllabus, make a study plan and start preparing topic by topic. Solve previous years' question papers and take online mock tests to improve your speed and accuracy. Also, refer to standard textbooks and online resources for a better understanding of the concepts.