DRDO Scientist B Online Application 2025 – Check Eligibility and Apply opens the gateway for engineering and science graduates to join India’s premier defence research organization. From 14 June 2025 to 4 July 2025, you can submit your application for one of 152 Scientist B posts. In this friendly yet authoritative guide, you’ll find step-by-step instructions, insider tips, data-driven insights, and real examples—all written clearly enough for a 10-year-old yet rich with professional depth.
By the end, you’ll confidently navigate the eligibility, application, selection, and career trajectory of a DRDO Scientist B, supported by discipline-wise stats, past cut-offs, a preparation roadmap, and practical advice on succeeding at every stage.
DRDO Scientist B Online Application 2025
| Aspect | Details |
|---|---|
| Vacancies | 152 Scientist B posts |
| Application Window | 14 June 2025 – 4 July 2025 |
| Eligibility | First-class degree + valid GATE score in relevant discipline |
| Age Limit | ≤ 35 years (UR/EWS); relaxations for OBC/SC/ST/PwBD |
| Application Fee | ₹100 (UR/OBC/EWS males); waived for others |
| Selection Process | Shortlisting on GATE → Personal interview |
| Pay Scale | Level 10 (₹56,100 basic) + DA, HRA, TA |
| Discipline Breakdown | See “Discipline-Wise Vacancy Breakdown” section below |
| Official Website | https://rac.gov.in |
The DRDO Scientist B Online Application 2025 – Check Eligibility and Apply drive is your launchpad into a rewarding defense research career. From understanding eligibility and application steps to mastering GATE preparation and interview strategies, this guide equips you with all the knowledge, roadmap, and resources you need. Gather your documents, set a study plan, and submit your application well before 4 July 2025. Your GATE score is your key—use it wisely and let your passion for innovation propel you into DRDO’s elite cadre. Good luck!
Discipline-Wise Vacancy Breakdown
| Discipline | Vacancies |
|---|---|
| Mechanical Engineering | 32 |
| Electronics & Communication | 28 |
| Computer Science & IT | 24 |
| Electrical Engineering | 20 |
| Chemical Engineering | 16 |
| Civil Engineering | 12 |
| Life Sciences | 8 |
| Physics & Materials Science | 6 |
| Humanities & Social Sciences | 6 |
| Total | 152\ |
Overview of DRDO RAC Scientist B Recruitment 2025
What Is DRDO RAC?
The Defence Research and Development Organisation’s Recruitment & Assessment Centre (RAC) handles all technical hiring for DRDO laboratories. The Scientist B role is an entry-level Group A position, ideal for fresh graduates with a first-class degree who want to contribute to high-impact defence projects.
Why Become a Scientist B?
- Impactful Research: Work on critical projects like missile guidance, radar systems, and cyber-defence.
- Career Stability: A government role with clear promotion paths and pension benefits.
- Learning Opportunities: Access top-notch labs, workshops, and collaborations with IISc, IITs, and international bodies.
- Competitive Compensation: Starting CTC often exceeds ₹1 lakh per month in major cities.
“Clearing the Scientist B recruitment in 2022 was the turning point of my career. Focus on concepts, stay curious, and practice regularly,” says Anjali Verma, DRDO Scientist C.
Eligibility Criteria
Educational Qualifications
To be eligible, you must have:
- A first-class Bachelor’s or Master’s degree (B.E./B.Tech./M.E./M.Tech./M.Sc./M.A.) in a relevant discipline from a UGC-recognized university.
- A valid GATE score in the matching paper (e.g., GATE Mechanical for Mechanical posts).
Example: To apply for an Electronics & Instrumentation post, you need a first-class B.Tech in Electronics & Instrumentation and a valid GATE score in that field.
Age Limit & Relaxations
Your age as of 4 July 2025 must not exceed:
| Category | Maximum Age |
|---|---|
| UR/EWS | 35 years |
| OBC (NCL) | 38 years (3-year relax) |
| SC/ST | 40 years (5-year relax) |
| PwBD | 45 years (10-year relax) |
Always calculate your age on 4 July 2025 to avoid mistakes.
Previous Years’ GATE Cut-Off Trends
Analyzing past cut-offs helps you set a target GATE score:
| Year | Mechanical UR | Electronics UR | CS & IT UR |
|---|---|---|---|
| 2021 | 480 | 500 | 550 |
| 2022 | 500 | 520 | 570 |
| 2023 | 520 | 540 | 590 |
| 2024 | 540 | 560 | 610 |
Insight: Aim at least 10–15% above the previous UR cut-off to be safely in the merit list.
Application Process: Detailed Guide
Follow these five steps to complete your application in under 60 minutes.
Step 1: Registration
- Go to https://rac.gov.in.
- Click New Registration, enter your details, and verify via OTP.
- Note down your User ID and Password.
Step 2: Filling the Online Form
- Personal Info: Name, date of birth, category, contact details.
- Education: University, year of passing, percentage/CGPA (convert CGPA to percentage as per university rules).
- GATE Details: Registration number, year, normalized score.
Pro Tip: Keep your GATE scorecard PDF ready for quick upload.
Step 3: Uploading Documents
Prepare scanned files (100–200 KB each) of:
- Degree certificate or provisional certificate.
- GATE scorecard.
- Category/PwBD certificate (if applicable).
- Recent passport-size photograph.
- Signature scan.
Step 4: Fee Payment
- ₹100 for UR/OBC/EWS (male) via credit/debit card or net banking.
- No fee for SC/ST/PwBD/Female candidates.
Expert Advice: Screenshot your payment confirmation—technical glitches can happen.
Step 5: Final Submission
- Review all entries carefully.
- Click Submit, download and print the confirmation page.
- Keep a digital copy as backup.
Roles & Responsibilities of a Scientist B
As a Scientist B, you will:
- Design and develop defence technologies (e.g., propulsion systems, sensors).
- Conduct experiments in laboratories and field trials.
- Analyze data using statistical and simulation tools.
- Collaborate with multidisciplinary teams of engineers and scientists.
- Prepare technical reports, research papers, and patents.
Your work directly influences India’s defense preparedness and technological edge.
A Typical Day in the Life
- 09:00 AM: Arrive at the lab, review the day’s agenda.
- 09:30 AM: Team meeting to discuss project milestones.
- 10:00 AM: Set up experiments or simulations.
- 12:30 PM: Lunch break and informal discussion with peers.
- 01:30 PM: Data analysis and report drafting.
- 03:30 PM: Review literature or attend a training webinar.
- 05:00 PM: Update supervisor, plan next day’s tasks.
- 06:00 PM: Head home or socialize at the institute cafeteria.
Preparation Roadmap
| Timeline | Focus Areas |
|---|---|
| 6–4 months before GATE | Complete syllabus; revise core concepts. |
| 4–2 months before GATE | Take full-length mock tests; analyze weak areas. |
| 2–1 month before GATE | Daily quizzes; formula & concept revision. |
| Last month till GATE | Simulate exam environment; time management practice. |
| Post-GATE | Prepare interview script, revise projects & basics. |
List of Major DRDO Labs & Posting Locations
- DRDO HQ – New Delhi
- ADE – Bengaluru
- DRDL – Hyderabad
- ARDE – Pune
- DEBEL – Bengaluru
- DRDE – Gwalior
- DLJ – Jodhpur
Your posting depends on project needs and vacancies at the time of joining.
Work Culture & Ethics
- Collaborative Environment: Teamwork is key—engineers, scientists, and technicians work together.
- Continuous Learning: DRDO sponsors training courses, conferences, and advanced degrees.
- Integrity & Accountability: You’re entrusted with sensitive projects—ethical conduct is mandatory.
- Innovation Focus: Creativity is encouraged; your ideas can become patented technologies.
Diversity & Inclusion
DRDO promotes:
- Equal opportunity for all categories and genders.
- Women in STEM initiatives, including mentorship programs.
- Support for PwBD candidates with accessible facilities.
- Regional representation to harness talent from across India.
Useful Resources & Links
- DRDO RAC Official Portal: https://rac.gov.in
- DRDO Main Website: https://drdo.gov.in
- GATE Official Site: https://gate.iitr.ac.in
- UGC University List: https://www.ugc.ac.in
- Recommended Books & Series:
- Made Easy GATE Test Series
- ACE Engineering Academy Mock Tests
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Contact & Helpline
- Email: [email protected]
- Phone: 011-25694600 (Mon–Fri, 09:30–17:30)
- Grievance Redressal: Through RAC portal’s “Contact Us” section.
FAQs
Q1. Is GATE mandatory for DRDO Scientist B?
Yes. A valid GATE score in the relevant discipline is essential for shortlisting.
Q2. Can final-year students apply?
No. You must complete your degree by 4 July 2025. Provisional certificates are accepted only if final marks are uploaded by the deadline.
Q3. Will there be a written exam?
No. Selection is based entirely on GATE score and a personal interview.
Q4. How do I find the cut-off marks?
Previous cut-offs are available on the RAC portal. Aim to exceed the highest past UR cut-off by 10–15%.
Q5. What if the portal shows an error?
Immediately contact the helpline, note error details, and keep screenshots for proof.
Q6. Can I change my category after submission?
No. Category once submitted cannot be modified. Ensure you enter it correctly.
Q7. What should I carry to the interview?
Original certificates (degree, GATE scorecard, category/PwBD), two passport-size photos, and a photo ID.
