ISRO Assistant, UDC, JPA & Stenographer 2026: Syllabus, Exam Pattern & PDF

The Indian Space Research Organisation (ISRO) is gearing up to conduct examinations for several crucial administrative and support roles in 2026, including Assistant, Upper Division Clerk (UDC), Junior Personal Assistant (JPA), and Stenographer. This recruitment drive, under Advertisement Number ISRO: ICRB:01(A-JPA):2026, aims to fill a total of 244 vacancies. Aspiring candidates must familiarize themselves with the comprehensive syllabus, exam pattern, and marking scheme to strategize their preparation effectively. This article provides an in-depth look at these essential components, along with direct links to download the official syllabus PDFs.

ISRO Recruitment 2026: Exam Overview

The ISRO Assistant, UDC, JPA, and Stenographer examinations will be conducted in an online Computer-Based Test (CBT) format. All questions will be of the objective type. Candidates can find a detailed breakdown of the exam structure and marking scheme for different roles below.

ISRO Assistant UDC Syllabus and Exam Pattern 2026 - Overview

Advt. No.	ISRO: ICRB:01(A-JPA):2026
Mode of Exam	Online (Computer-Based)
Type of Questions	Objective Type
Number of Questions	200
Marks	200
Duration	150 Minute
Marking Scheme	Each Question Carries 1 Mark
Negative Marking	0.25 Mark

Particlulars	Assistant/UDC Exam Details	JPA/Stenographers Exam Details
Mode of Exam	Online	Online
Type of Question	Objective Type	Objective Type
Number of Questions	200	200
Duration	150 Minutes	150 Minutes
Total Marks	200	200
Subjects Wise Distribution	General English (50 Questions) Quantitative Aptitude (50 Questions) General Intelligence & Reasoning Ability (50 Questions) General Knowledge (50 Questions)	English Language & Comprehension (100 Questions) General Intelligence & Reasoning Ability(50 Questions) Quantitative Aptitude &General Knowledge (50 Questions)
Marking Scheme	Each Question Carries 1 Mark	Each Question Carries 1 Mark
Negative Marking	0.25 Mark	0.25 Mark

ISRO Assistant & UDC 2026: Detailed Syllabus

The examination for Assistant and UDC roles comprises four sections. Candidates are advised to cover all topics within these sections thoroughly.

General English

• Grammar
• Vocabulary
• Correct usage of words
• Idioms and Phrases
• Sentence formation
• Reading and language understanding
• Writing accuracy and precision

Quantitative Aptitude

• Number System
• Simplification
• LCM & HCF
• Percentages
• Profit and Loss
• Discount
• Ratio and Proportion
• Average
• Simple and Compound Interest
• Time and Work
• Time, Speed and Distance
• Boats and Streams
• Pipes and Cisterns
• Partnership
• Surds and Indices
• Algebra
• Coordinate Geometry
• Polynomials
• Sequence and Series
• Geometry
• Mensuration
• Trigonometry
• Statistics
• Data Interpretation

General Intelligence & Reasoning Ability

• Missing Number
• Number Series
• Repeated Series
• Analogy
• Coding and Decoding
• Venn Diagram
• Logical Arrangement of Words
• Sitting Arrangement
• Ranking Arrangement
• Dice
• Cube and Cuboid
• Calendar
• Clock
• Directions
• Counting Figures
• Problems Based on Alphabets
• Sequence
• Mirror Image
• Water Image
• Coded Equations

General Knowledge

• Current Affairs (National and International)
• Indian History
• Geography
• Indian Polity
• Indian Economy
• Science and Technology
• Culture
• Environment
• Important Government Schemes
• Static General Knowledge

ISRO JPA & Stenographer 2026: Detailed Syllabus

The syllabus for JPA and Stenographer positions is structured with a heavier emphasis on English, reflecting the nature of these roles. The sections are as follows:

English Language & Comprehension

• Spot the Error
• Fill in the Blanks
• Synonyms
• Antonyms
• Detecting Misspelt Words
• Idioms and Phrases
• One Word Substitution
• Sentence Improvement
• Active and Passive Voice
• Direct and Indirect Speech
• Cloze Test
• Reading Comprehension
• Vocabulary
• Grammar

General Intelligence & Reasoning Ability

• Missing Number
• Number Series
• Analogy
• Coding-Decoding
• Venn Diagram
• Sitting Arrangement
• Ranking Arrangement
• Dice
• Cube and Cuboid
• Calendar
• Clock
• Directions
• Mirror Image
• Water Image
• Alphabet Problems
• Counting Figures
• Logical Arrangement
• Coded Equations
• Sequence-based Questions

Quantitative Aptitude & General Knowledge

This combined section tests a broad range of abilities:

Quantitative Aptitude Topics:

• Number System
• Percentages
• Profit and Loss
• Discount
• Ratio and Proportion
• Average
• Simple Interest
• Compound Interest
• Time and Work
• Time, Speed and Distance
• Boats and Streams
• Pipes and Cisterns
• Partnership
• Simplification
• LCM & HCF
• Surds and Indices
• Algebra
• Coordinate Geometry
• Geometry
• Mensuration
• Trigonometry
• Statistics
• Data Interpretation

General Knowledge Topics:

• National Current Affairs
• International Current Affairs
• History
• Geography
• Indian Constitution
• Indian Economy
• General Science
• Culture
• Environment
• Static GK

Marking Scheme and Negative Marking

In all the examinations, each correct answer is awarded 1 mark. However, it's crucial to be aware of the negative marking policy. For every incorrect answer, 0.25 marks will be deducted. This means candidates must be judicious in their approach to answering questions, balancing speed with accuracy to avoid unnecessary penalties. This aspect is critical for candidates aiming to Access ISRO Previous Year Question Papers - Download Here and understand the question patterns.

Downloadable Syllabus PDFs

To assist candidates in their preparation, ISRO provides official syllabus documents. You can download the detailed syllabus for each post using the links provided below:

• ISRO Assistant/UDC Syllabus 2026 PDF
• ISRO JPA/Stenographer Syllabus 2026 PDF

Next Steps After Understanding the Syllabus

Once you have thoroughly reviewed the syllabus and exam pattern, the next crucial step is to create a structured study plan. Focus on identifying your strengths and weaknesses based on the syllabus topics. Practice regularly using mock tests and previous year's question papers to gauge your preparation level. Staying updated with ISRO recruitment news is also important. For more details on the recruitment drive, you can refer to the ISRO Assistant UDC 2026 information. For those looking to apply or check further details, the ISRO Assistant UDC Recruitment 2026: 244 Vacancies - Check Details Now link provides essential information.

Frequently Asked Questions (FAQs)

What is the total number of vacancies for ISRO Assistant, UDC, JPA, and Stenographer in 2026?

The ISRO recruitment for 2026 under Advertisement Number ISRO: ICRB:01(A-JPA):2026 has a total of 244 vacancies for roles including Assistant, UDC, JPA, and Stenographer.

What is the mode of examination for ISRO Assistant, UDC, JPA, and Stenographer posts?

The examination for these posts will be conducted online, in a Computer-Based Test (CBT) format.

What is the marking scheme and is there negative marking in the ISRO exam?

Yes, there is negative marking. Each correct answer carries 1 mark, and 0.25 marks are deducted for each incorrect answer.

How many questions and what is the duration for the Assistant/UDC exam?

The Assistant/UDC exam consists of 200 objective-type questions and has a duration of 150 minutes.

Which subjects are included in the ISRO Assistant/UDC syllabus?

The ISRO Assistant/UDC syllabus includes General English (50 questions), Quantitative Aptitude (50 questions), General Intelligence & Reasoning Ability (50 questions), and General Knowledge (50 questions).