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Preparing for the ISRO Scientist/Engineer 2025 exam requires focused study and the right materials. From standard textbooks to previous year papers and mock tests, having everything organised makes a big difference. This blog lists all the essential study materials you’ll need for each branch. Explore now!
PREPARE FOR CIVIL TECHNICAL EXAMS NOW!
ISRO Scientist Recruitment 2025 Highlights
| Particulars | Details |
|---|---|
| Recruited for | Indian Space Research Organisation (ISRO) |
| Post Name | Scientist/Engineer |
| Advt. No. | ISRO:ICRB:01:(EMC):2025 & ISRO:ICRB:02(EMC):2025 |
| Total Vacancies | 351 |
| Location | URSC & ISRO Telemetry Tracking and Command Network, Bengaluru |
| Application Start Date | May 10, 2025 (Advt. No. 01) May 27, 2025 (Advt. No. 02) |
| Last Date to Apply | May 30, 2025 (Advt. No. 01) June 16, 2025 (Advt. No. 02) |
| Exam Dates | Not Announced |
| Exam Level | National |
| Exam Frequency | As per requirements |
ISRO Scientist Study Materials 2025 – Complete List
1: Between the period of 1858-1947, how many Viceroys ruled over India?
Get the complete ISRO Scientist/Engineer 2025 study materials, including book list, syllabus topics, previous papers, mock tests, and practice resources—all in one place for effective preparation.
Standard Reference Books
- Covers core concepts in Mechanical, CSE, ECE, Electrical, Civil, Aerospace
- Includes authors like B.S. Grewal, P.K. Nag, Morris Mano, Nagrath & Gopal, etc.
ISRO Scientist Syllabus PDF
- Official syllabus for all engineering disciplines
- Helps you stay aligned with exam topics
ISRO Exam Pattern
| Stage | Details |
| Written Test |
– Objective MCQs: Part A (80 questions, discipline-specific), Part B (15 questions approx., aptitude/ reasoning)
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| – Duration: 120 minutes | |
| – Marking: +1 for correct, -⅓ for wrong (Part A); no negative marking (Part B) | |
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– Test Centres: Multiple cities including Bengaluru, Mumbai, Chennai, Thiruvananthapuram
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| – Qualifying Marks: General – 50% in each part; PwBD – 40% in each part | |
| Interview | – Shortlisting Ratio: 1:5 based on written test performance |
| – Minimum 10 candidates shortlisted | |
|
– Marks Distribution (Total 100): Technical Knowledge (40), General Awareness (20), Communication (20), Comprehension (10), Academic Achievements (10)
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| Final Selection | – Combined Score: 50% Written Test + 50% Interview |
| – Minimum Aggregate: General – 60%, PwBD – 50% | |
| Tie-Breaker | – Higher Written Test marks |
| – Higher marks in essential qualification | |
| – Older age (Date of Birth) | |
| Important Notes |
– Interview shortlisting requires valid GATE 2024/2025 scores matching the discipline
|
| – Accurate GATE score entry is mandatory | |
| – False information on GATE score may lead to disqualification or legal action |
Previous Year Question Papers
- Branch-specific ISRO papers (Mechanical, CSE, etc.)
- Useful for understanding patterns and difficulty levels
| Question 1 | Question 2 |
|---|---|
| Electronics | |
| Mechanical | |
| Computer Science |
Mock Tests & Test Series
- Full-length, section-wise, and subject-wise tests
- Helps with time management and exam readiness
Question Banks & MCQ Workbooks
- Topic-wise questions based on ISRO exam format
- Includes both technical and aptitude sections
GATE Study Materials (Selective Use)
- Useful for overlapping topics
- Avoid deep theoretical areas not covered in ISRO
Quick Revision Notes & Formula Charts
- Handy for last-minute prep
- Includes definitions, theorems, diagrams, and formulas
Online Platforms & Apps
- ISRO-specific preparation apps like Entri offering classes, tests, and doubt support
- Also include daily practice and rank analysis
