ISRO Exam Syllabus and Exam Pattern 2023, Exam Schedule

Latest Update – See the article below for the ISRO Exam Syllabus and Exam Pattern for 2023. Candidates can review the ISRO Exam Syllabus 2023 and exam format section by section.

ISRO Exam Syllabus 2023

Candidates must be familiar with ISRO Syllabus 2023 if they want to begin working with ISRO as an assistant, UDC, or junior personal assistant. Candidates for the ISRO exam must ensure that they are familiar with the topics that will be covered in each section before beginning their preparation.

There is no need to visit the Indian Space Research Organization’s website because the ISRO Syllabus 2023 PDF has been made available there. You can learn more about the ISRO Exam Pattern 2023 for each post in this article, along with the comprehensive syllabus.

It is imperative to study the full ISRO Syllabus 2023 since the Indian Space Research Organization will be holding a written exam to select applicants for the positions of Upper Division Clerk, Junior Personal Assistant, and Assistant. The topics will all be familiar to the candidates after reading the syllabus.

ISRO Exam Pattern 2023: Assistant/UDC

Candidates must be familiar with the ISRO Exam Pattern 2023 in addition to the ISRO Syllabus 2023. The exam format will give you an idea of how many sections there will be, how many questions and marks each section will have, and how much time you’ll have to complete the exam. We’ve posted the ISRO Exam Pattern 2023 for the Assistant/UDC position in the table below.

  • Each question will be of 1 marks each
  • There will also be a negative marking of 0.25 marks
SectionsNumber of Questions Maximum MarksTime Duration
General English5050120 Minutes
Quantitative Aptitude5050
General Intelligence & Reasoning ability5050
General Knowledge5050
Overall2002002 Hours

ISRO Syllabus 2023 For Assistant/UDC

For all candidates preparing for the ISRO Exam, the ISRO Exam Syllabus 2023 is useful. The ISRO written test for the position of assistant/UDC would have four components. According to the ISRO Syllabus 2023, there are four components that must be covered: general knowledge, reasoning, and general English. Below, we’ve provided the ISRO Syllabus 2023, broken down by section.

Quantitative Aptitude

  • Number System
  • Percentages
  • Profit & Loss
  • Discount
  • Ratio & Proportion
  • Mixer & Allegation
  • Averages
  • Simple & Compound interest
  • Time & distance
  • Time & Work
  • Pipe & Cistern
  • Boat & Stream
  • Partnership
  • Surds & Indices
  • LCM & HCF
  • Simplification
  • Geometry (Triangles, Circles, Quadrilateral, Lines & Angles etc)
  • Mensuration (Area, Perimeter, Volume etc)
  • Trigonometry (Trigonometric Identities, Trigonometric Ratios, Circular measures of Angles, Heights & distance etc)
  • Algebra (Factorisation, Coordinate Geometry, Polynomials, Sequence & Series, Algebraic identities, Linear equations etc)
  • Statistics & data interpretation

General Knowledge

  • Environment around us and its applications to the society
  • Current affairs of National & International importance
  • History
  • Culture
  • Geography
  • Science
  • Polity
  • Economy

General Intelligence & Reasoning Ability

  • Missing Number
  • Repeated Series,
  • Analogy
  • Venn diagram
  • Logical arrangement of Words
  • Coding & decoding
  • Sitting arrangement
  • ranking arrangement
  • Dice, Cube & Cuboid
  • Calendar
  • Number Series
  • Coded equation
  • Clock, Directions
  • Counting figures
  • Problems based on Alphabets and Sequence
  • Mirror and Water Image

General English

Questions to test the candidate’s understanding & knowledge of the language and ability to write correctly, precisely & effectively, correct use of words, idioms & phrases, etc.

ISRO Exam Pattern 2023: Junior Personal Assistant

SectionsNumber of QuestionsMaximum MarksTime Duration
English Language & Comprehension100100120 Minutes
General Intelligence & Reasoning ability5050
Quantitative Aptitude & General
Overall2002002 Hours

ISRO Syllabus 2023 for Junior Personal Assistant

For the positions of Junior Personal Assistant and Assistant/UDC, the ISRO exam’s General Intelligence and Reasoning and Quantitative Aptitude & General Knowledge syllabuses are comparable. The General English division has a varied curriculum. To view the ISRO exam syllabus, continue reading.

General English

  • spot the error
  • Fill in the blanks
  • Synonyms& antonyms
  • Detecting misspelled words
  • Idioms & phrases
  • One word substitution
  • Sentence improvements
  • Active/ passive voice,
  • Direct/indirect narration
  • Close paragraph
  • Comprehension

Important Links ISRO Syllabus 2023

Assistant Syllabus Download Link from Official portalClick Here to Download 
Official Website of

ISRO Syllabus 2023: FAQs

Q.1 Is there any negative marking in ISRO exam?

Ans Yes there is a negative marking of 0.25 marks in the ISRO exam.

Q.2 What is the syllabus for ISRO exam?

Ans The complete syllabus for ISRO exam is given in the article above

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