The Defence Research and Development Organisation – Recruitment and Assessment Centre (DRDO RAC) conducts the Scientist B exam to recruit talented candidates in Engineering and Science disciplines. If you’re preparing for this prestigious exam, it’s crucial to understand the latest DRDO Scientist B Syllabus 2025, selection process, exam pattern, and preparation strategy.
Table of Contents
| S.No | Sections |
|---|---|
| 1. | DRDO RAC Scientist B Exam Overview 2025 |
| 2. | DRDO RAC Scientist B Selection Process 2025 |
| 3. | DRDO RAC Scientist B Exam Pattern 2025 |
| 4. | DRDO Scientist B Syllabus 2025 (Branch-wise Topics) |
| 5. | DRDO Scientist B Interview Process |
| 6. | DRDO Scientist B Syllabus PDF Download |
| 7. | Best Books for DRDO RAC Scientist B Exam |
| 8. | DRDO RAC Scientist B Preparation Tips |
DRDO RAC Scientist B Exam Overview 2025
| Details | Information |
|---|---|
| Exam Name | DRDO RAC Scientist B Recruitment 2025 |
| Conducting Body | DRDO – Recruitment and Assessment Centre (RAC) |
| Post Name | Scientist B |
| Total Vacancies | 148 (Tentative) |
| Selection Criteria | GATE Score + Interview |
| Mode of Application | Online |
| Job Location | Across India (DRDO Labs, ADA, or other defence units) |
| Official Website | rac.gov.in |
DRDO RAC Scientist B Selection Process 2025
The selection process consists of two stages:
Stage 1: GATE Score-Based Shortlisting
Candidates are shortlisted based on GATE scores in a 1:10 ratio for interview.
Stage 2: Personal Interview
Held at Delhi or other locations as decided by DRDO. It carries 20% weight in final merit.
The final merit list is prepared with the following weightage:
- GATE Score: 80%
- Interview: 20%
Minimum qualifying marks in the interview:
- UR: 70%
- OBC/SC/ST/PwD: 60%
DRDO RAC Scientist B Exam Pattern 2025
The exam includes Descriptive Type Papers for applicable disciplines (for some departments like DRDO SET or special posts).
| Paper | Marks | Duration |
|---|---|---|
| Descriptive Paper I | 300 | 3 Hours |
| Descriptive Paper II | 300 | 3 Hours |
| Total | 600 | 6 Hours |
DRDO Scientist B Syllabus 2025 (Branch-wise Topics)
Here’s an overview of the key subjects from various engineering and science disciplines:
| Branch | Key Subjects/Topics |
|---|---|
| Electronics & Communication Engineering | – Analog & Digital Circuits – Control Systems – Electromagnetic Theory – Communication Systems – Signals & Systems – Microprocessors & Microcontrollers |
| Mechanical Engineering | – Thermodynamics – Fluid Mechanics – Strength of Materials – Theory of Machines – Heat Transfer – Manufacturing & Production |
| Computer Science & IT | – Data Structures & Algorithms – Operating Systems – Database Management Systems – Computer Networks – Software Engineering – Web Technologies |
| Electrical Engineering | – Electrical Machines – Power Systems – Control Systems – Network Theory – Power Electronics – Digital Electronics |
| Civil Engineering | – Building Materials – Structural Analysis – RCC & Steel Design – Surveying – Hydraulics & Irrigation – Construction Management |
| Psychology | – General Psychology – Organizational Behavior – Clinical Psychology – Research Methods – Psychological Testing – Counseling Techniques |
DRDO Scientist B Interview Process
- Shortlisted candidates will be called for a Personal Interview in Delhi or a notified center.
- The interview assesses technical knowledge, GATE fundamentals, communication, and problem-solving ability.
- Carry all required original documents during the interview.
DRDO Scientist B Syllabus PDF Download
Click below to download the official DRDO Scientist B Syllabus 2025 PDF for your branch:
Download DRDO Scientist B Syllabus PDF
Best Books for DRDO RAC Scientist B Exam
| Subject | Book Name | Author/Publisher |
|---|---|---|
| General Aptitude | Quantitative Aptitude | R.S. Aggarwal |
| Electronics | Electronic Devices and Circuits | Boylestad & Nashelsky |
| Mechanical Engineering | Engineering Thermodynamics | P.K. Nag |
| Computer Science | Introduction to Algorithms | Cormen et al. |
| Electrical Engineering | Electrical Machinery | P.S. Bimbhra |
| Civil Engineering | Structural Analysis | S.S. Bhavikatti |
| Psychology | Psychology: Themes and Variations | Wayne Weiten |
DRDO RAC Scientist B Preparation Tips:
- Understand the exact syllabus for your stream.
- Make a study schedule and stick to a timetable.
- Focus on core technical subjects and GATE topics.
- Solve DRDO Scientist B PYQs and mock tests.
- Stay updated with DRDO technologies for the interview.
- Use online resources for revision and practice.
Important Links
Click on the links above to access the complete preparation material and boost your chances of selection.
