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Exam Date: December 14, 2025
The Defence Research and Development Organisation (DRDO), through its Recruitment and Assessment Centre (RAC), has announced the 2025 recruitment for the position of Scientist 'B'. This is a significant opportunity for engineering and science graduates to contribute to India's defense research and development efforts.
Position Overview
• Post: Scientist 'B'
• Total Vacancies: 148
• Recruitment Mode: Online application via Application Period: 20th May 2025 to 9th June 2025
• Eligibility Criteria
• Educational Qualification
• Engineering Disciplines: Bachelor's degree (B.E./B.Tech) in relevant engineering fields.
• Science Disciplines: Master's degree (M.Sc) in relevant science subjects.
• GATE Score Requirement
• A valid GATE score from 2022, 2023, or 2024 is required for most disciplines.
Age Limit
Maximum age: 28 years (with relaxation as per government norms).
Selection Process
Shortlisting: Candidates are shortlisted based on their GATE score and/or educational qualifications.
Personal Interview: Shortlisted candidates are called for a personal interview, which is the final selection criterion.
Minimum qualifying marks: 70% for unreserved categories and 60% for reserved categories.
Salary and Benefits
• Pay Level: Level-10 (7th Central Pay Commission)\
• Basic Pay: ₹56,100 per month
• Gross Salary: Approximately ₹90,000 to ₹1,10,000 per month, including allowances.
• Additional Benefits:
• House Rent Allowance (HRA)
• Dearness Allowance (DA)
• Transport Allowance (TA)
• Medical facilities
• Group Insurance
• Leave Travel Concession (LTC)
• Subsidized canteen facilities
• Professional update allowance
Exam Pattern
The DRDO Scientist 'B' exam follows a structured pattern:
1. Descriptive Examination
Paper-I: 300 marks, 3 hours
Paper-II: 300 marks, 3 hours
Total: 600 marks, 6 hours
Note: The syllabus for these papers aligns with the UPSC Engineering Services Examination (Main) for the respective disciplines.
2. Personal Interview
Weightage: 20% of the total marks
Purpose: To evaluate the candidate's technical knowledge, communication skills, and suitability for the role.
Note: Candidates must qualify the interview to be considered for the final merit list.
Syllabus Breakdown
The syllabus is discipline-specific, focusing on core engineering subjects. Here's a brief overview for select disciplines:
Electronics & Communication Engineering
Paper-I: Basic Electronics, Electrical Engineering, Material Science, Electronics Measurements, Network Theory, Analog & Digital Circuits
Paper-II: Analog & Digital Communication Systems, Control Systems, Computer Organization, Electromagnetics, Advanced Electronics & Communication Topics
Mechanical Engineering
Paper-I: Fluid Mechanics, Thermodynamics, Heat Transfer, IC Engines, Refrigeration & Air Conditioning, Turbo Machinery, Power Plant Engineering, Renewable Energy
Paper-II: Engineering Mechanics, Materials Science, Mechanisms & Machines, Design of Machine Elements, Manufacturing, Industrial & Maintenance Engineering, Mechatronics & Robotics
Computer Science & Engineering
Paper-I: Engineering Mathematics, Discrete Mathematics, Digital Logic, Computer Organization & Architecture, Programming & Data Structures, Algorithms
Paper-II: Compiler Design, Operating Systems, Theory of Computation, Database Systems, Computer Networks, Cyber Security, AI & Machine Learning
Note: Detailed syllabi for each discipline are available on the official DRDO RAC website.
Preparation Strategy for High-IQ Candidates
Given your analytical prowess, here's a tailored strategy to optimize your preparation:
Conceptual Clarity: Focus on understanding the fundamental principles behind each topic. This will enable you to tackle complex problems with ease.
Structured Study Plan
• Allocate specific time blocks for each subject, ensuring balanced coverage. Prioritize topics based on weightage and your proficiency.
• Practice Previous Papers: Regularly solve past year question papers to familiarize yourself with the exam pattern and identify recurring topics.
• Mock Tests: Simulate exam conditions by taking timed mock tests. This will enhance your time management skills and build exam temperament.
• Revision: Periodically revise completed topics to reinforce memory retention and identify areas needing further attention.
• Stay Updated: Keep abreast of any changes in the exam pattern or syllabus by regularly visiting the official DRDO RAC website.
Important Dates
• Application Start Date: 20th May 2025
• Application End Date: 9th June 2025
• Interview Period: Tentatively in July 2025
• Application Process
• Interested candidates can apply online through the official DRDO RAC website:
Important Links
Official DRDO RAC Website: https://rac.gov.in
Previous Year Question Papers: PrepareExams
The Defence Research and Development Organisation (DRDO) is an Indian government agency responsible for research and development in military technology.
1958, by merging the Technical Development Establishment and the Defence Science Organisation.
To design, develop, and produce defense systems and technologies for the Indian Armed Forces.
50+ laboratories across India in cities like Delhi, Hyderabad, Pune, Chennai, and Bangalore.
DRDO CEPTAM (Technical & Administrative posts)
Scientist ‘B’ Exam
Apprenticeship & Internship programs for students
Educational Qualification: BE/B.Tech or ME/M.Tech in relevant engineering streams
Age Limit: 28 years (relaxation as per govt rules)
Yes, usually 0.25 marks deducted per wrong answer.
Apply online at DRDO official website during notification periods.
Level 10 of 7th CPC: Approx. ₹56,100–₹1,77,500 per month + allowances
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