Topicly
All exams

PSU & Engineering · ISRO TA

ISRO TA Syllabus and Exam Pattern

ISRO Technical Assistant (ISRO TA / ISRO Technician-B) Recruitment

Sections
8
Topics
47
Sub-topics
225
Stages
2
Start studying freeTake a mock test

The ISRO TA (ISRO Technical Assistant (ISRO TA / ISRO Technician-B) Recruitment) syllabus is organised into 8 sections: Part II, Part I-A, Part I-B, Part I-C, Part I-D, Part I-E and 2 more. Together they cover 47 topics and 225 sub-topics, tested in Part II — General and Part I — Discipline. Below you will find every section's topics, the exam pattern and answers to common questions.

About the exam and pattern

Indian Space Research Organisation (ISRO) recruits Technical Assistants and Technician-B through written examination. The exam is conducted for various engineering disciplines (Mechanical, Electrical, Electronics, Computer Science, Civil, Instrumentation, Chemical, RAC). Pattern: 200 multiple-choice questions, 2 hours, with negative marking. Sections: Technical (Discipline-specific) + General Aptitude (English, Reasoning, Quant, GK).

Exam pattern: CBT (Technical + General Aptitude) + Document Verification

Where the marks are

Share of total marks by section

Part I — Discipline

  • Part I-A15%80 marks · 30 Qs
  • Part I-B15%80 marks · 30 Qs
  • Part I-C14%80 marks · 30 Qs
  • Part I-D14%80 marks · 30 Qs
  • Part I-E14%80 marks · 30 Qs
  • Part I-F14%80 marks · 30 Qs
  • Part I-G14%80 marks · 30 Qs

Tap a sub-topic to start studying it.

  • General Knowledge & Current Affairs

    ~12 marks

  • English Language

    ~10 marks

  • Quantitative Aptitude

    ~12 marks

  • Reasoning Ability

    ~10 marks

  • Space Science & Technology Awareness

    ~6 marks
Take a mock test

Exam pattern at a glance

CBT (Technical + General Aptitude) + Document Verification

High-weightage ISRO TA topics

  1. 1General Knowledge & Current AffairsPart II~12 marks
  2. 2Quantitative AptitudePart II~12 marks
  3. 3English LanguagePart II~10 marks
  4. 4Reasoning AbilityPart II~10 marks
  5. 5Fluid Mechanics & Thermal EngineeringPart I-A~8 marks
  6. 6Structural EngineeringPart I-E~8 marks
  7. 7Sensors, Transducers & Measurement SystemsPart I-F~8 marks
  8. 8Manufacturing, Production & Industrial EngineeringPart I-A~7 marks

ISRO TA section-wise syllabus

Part II

Part II — General · 5 topics · 24 sub-topics

  • General Knowledge & Current Affairs
  • English Language
  • Quantitative Aptitude
  • Reasoning Ability
  • Space Science & Technology Awareness
Full Part II syllabus

Part I-A

Part I — Discipline · 5 topics · 29 sub-topics

  • Engineering Mechanics & Strength of Materials
  • Theory of Machines & Machine Design
  • Fluid Mechanics & Thermal Engineering
  • Manufacturing, Production & Industrial Engineering
  • Space & Rocket Propulsion Applications
Full Part I-A syllabus

Part I-B

Part I — Discipline · 6 topics · 28 sub-topics

  • Electric Circuits & Network Analysis
  • Electrical Machines
  • Power Systems
  • Control Systems & Instrumentation
  • Power Electronics & Drives
  • Electromagnetic Fields & Applications
Full Part I-B syllabus

Part I-C

Part I — Discipline · 6 topics · 31 sub-topics

  • Electronic Devices & Circuits
  • Digital Electronics & Systems
  • Communication Systems
  • Signals, Systems & DSP
  • Electromagnetics, Transmission Lines & Antennas
  • Microprocessors, VLSI & Embedded
Full Part I-C syllabus

Part I-D

Part I — Discipline · 7 topics · 30 sub-topics

  • Data Structures & Algorithms
  • Programming & Software Engineering
  • Operating Systems
  • Database Management Systems
  • Computer Networks & Security
  • Theory of Computation, Compiler & COA
  • Emerging Technologies (AI/ML, Cloud, Big Data)
Full Part I-D syllabus

Part I-E

Part I — Discipline · 6 topics · 27 sub-topics

  • Structural Engineering
  • Geotechnical Engineering
  • Water Resources Engineering
  • Environmental Engineering
  • Transportation, Surveying & Construction
  • Concrete Technology & Materials
Full Part I-E syllabus

Part I-F

Part I — Discipline · 6 topics · 29 sub-topics

  • Sensors, Transducers & Measurement Systems
  • Electrical & Electronic Measurements
  • Analog & Digital Electronics
  • Process Control & Industrial Automation
  • Telemetry, Communication & Networking
  • Spaceborne Instrumentation
Full Part I-F syllabus

Part I-G

Part I — Discipline · 6 topics · 27 sub-topics

  • Process Calculations & Thermodynamics
  • Fluid Mechanics & Mechanical Operations
  • Heat & Mass Transfer
  • Chemical Reaction Engineering
  • Process Control & Instrumentation
  • Chemical Technology, Safety & Space Applications
Full Part I-G syllabus

Frequently asked questions

What is the ISRO TA syllabus?

The ISRO TA syllabus has 8 sections: Part II, Part I-A, Part I-B, Part I-C, Part I-D, Part I-E, Part I-F and Part I-G. Together they cover 47 topics and 225 sub-topics.

What is the ISRO TA exam pattern?

CBT (Technical + General Aptitude) + Document Verification. Stages: Part II — General, Part I — Discipline.

How many questions come from each ISRO TA section?

Part II: 50 questions (50 marks); Part I-A: 30 questions (80 marks); Part I-B: 30 questions (80 marks); Part I-C: 30 questions (80 marks); Part I-D: 30 questions (80 marks); Part I-E: 30 questions (80 marks); Part I-F: 30 questions (80 marks); Part I-G: 30 questions (80 marks). Numbers can change with each notification.

Which ISRO TA topics carry the most marks?

By weightage in the syllabus data: General Knowledge & Current Affairs (Part II, ~12 marks), Quantitative Aptitude (Part II, ~12 marks), English Language (Part II, ~10 marks), Reasoning Ability (Part II, ~10 marks), Fluid Mechanics & Thermal Engineering (Part I-A, ~8 marks).

How can I prepare for ISRO TA on Topicly?

Open any ISRO TA topic on this page and choose how to study it: step-by-step chat, quizzes, mock tests, formula sheets or a voice call with Sia, your personal teacher. Your progress is saved topic by topic, and it's free to start.

Is this the official ISRO TA syllabus?

It is compiled from the official ISRO TA notification and exam pattern for study purposes. The conducting body can change the syllabus, so always confirm with the latest official notification.

Compiled from official notifications for study purposes. Always confirm with the conducting body's latest notification.