ISRO UDC Syllabus 2026 and Latest Exam Pattern PDF

Recently ISRO announced the most awaited recruitment for the hiring of the UDC and assistant post. There are total vacancies in this post is 267 tonally. Out of the them only 23 posts are for the UDC means upper division clerk. The ISRO has announced the official syllabus and exam pattern for those candidates who have applied this application form.

This recruitment was the non technical and non scientific because in this organization most of the recruitment is announced for the technical. Who have the B-Tech or upper level technical degree. But this vacancy was the non technical.

ISRO UDC Syllabus 2026

This is the clerk level post and its syllabus is very simple and easy like the SSC Clerk, MTS, CHSL level. So the difficulty level is very easy. Before starting the preparation everyone who have applied this application form they have to prepare the syllabus and exam pattern firstly. There are 4 topics in this exam English, Reasoning, Mathematics and general knowldge.

The selection of the ISRO UDC is the based on the Written and typing test after that document verification. The qualifying marks is decided in this exam around 60% passing marks. There are the 200 questions with each section contains the 50 questions and 50 marks.

Check: ISRO Assistant GK Questions

ISRO UDC Syllabus and Exam Pattern 2026 – Overview

From the below table aspirants can check the ISOR UDC official syllabus and exam pattern overview. From vacancies to application form process each points have been displayed in this table.

ISRO UDC Exam Pattern 2026

UDC Exam pattern reveals the numbers of the questions, Total marks, exam mode, Negative marking, weightage, exam duration and many more. I have wrapped in the below table each significant poits.

• 1 Question one marks
• 1/4 Negative Marketing
• Typing test

ISRO UDC Syllabus 2026

Now the turn has come to know about the syllabus and exam pattern of the official topics. Below Jankari Hub has provided the each points in the details subject wise. Follow this for the coming exam and give more time for the week subjects.

ISRO UDC Syllabus 2026 for Quantitative Aptitude

• Percentage
• Number Series
• Profit & Loss
• Algebra
• Data Interpretation
• Average
• Simplification & Approximation
• Time & Distance
• Ratio & Proportion
• Quadratic Equations
• Simple Interest
• Compound Interest
• Geometry
• Probability
• HCF & LCM
• Mixture & Alligation
• Trigonometry
• Mensuration 2D
• Partnership
• Sequences & Series
• Problems on Ages
• Statistics
• Boats & Streams
• Pipes & Cisterns
• Algebraic Equations
• Surds & Indices
• Mensuration 3D
• Height & Distance
• Linear Inequalities
• Decimal Fractions
• Algebraic Identities
• Geometric Shapes
• Trigonometric Identities
• Trigonometric Ratios
• Trigonometric Functions

ISRO UDC Syllabus 2026 for General English

• Grammar
• Vocabulary
• Tenses
• Articles & Prepositions
• Subject-Verb Agreement
• Synonyms & Antonyms
• Idioms & Phrases
• One-Word Substitution
• Error Spotting
• Fill in the Blanks
• Sentence Improvement
• Active & Passive Voice
• Direct & Indirect Speech
• Cloze Test
• Reading Comprehension
• Para Jumbles
• Spelling Correction

ISRO UDC Syllabus 2026 for General Knowledge

• Current Affairs
• Indian History & Culture
• Indian Geography
• Indian Polity
• Indian Economy
• General Science
• Science & Technology
• Environment & Ecology
• Government Schemes & Policies
• Static GK
• National & International Events
• ISRO & Space-related Affairs

ISRO UDC Syllabus 2026 for General Intelligence & Reasoning Ability

• Number & Mixed Series
• Analogy
• Blood Relations
• Coding-Decoding
• Classification
• Syllogism
• Puzzles & Seating Arrangement
• Venn Diagrams
• Order & Ranking
• Alphabet Test
• Data Sufficiency
• Cube & Dice
• Direction & Distance
• Calendar & Clock
• Mirror & Water Image
• Input-Output
• Decision Making