The Defence Research & Development Organisation (DRDO) has released Advertisement No. 156 through the Recruitment and Assessment Centre (RAC) for the recruitment of 148 Scientist ‘B’ posts in DRDO, ADA and other defence establishments. The recruitment is based on valid GATE 2023/2024/2025 scores followed by a personal interview. Graduates in Engineering or Postgraduates in Science may apply online through the RAC website within 21 days from the date of publication.
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DRDO Scientist B Recruitment 2025 – Apply for 148 Vacancies
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Post Name: Scientist ‘B’
Total Posts: 148
Qualification : B.E/B.Tech or Master’s Degree with valid GATE Score
Last Date: 04/07/2025
Apply Online Now
Important Date
- Application Start: 20/05/2025
- Last Date : 04/07/2025
- Last Date to Submit Final Documents : 31 July 2025 (for final year students)
Age Limit
- General/EWS: Max 35 Years
- OBC (NCL): Max 38 Years
- SC/ST: Max 40 Years
- PwBD: Relaxation up to 10 years
- Govt Employees/Ex-Servicemen: As per rules
Application Fees
- General, OBC, EWS (Male): 100/-
- SC, ST, PwBD, Women: No Fee
- Pay The Examination Fee Through UPI, Debit Card, Net Banking etc.
Qualification
- First Class B.E/B.Tech or M.Sc. in relevant disciplines
- Valid GATE Score in corresponding paper code
- Final-year candidates eligible (provisional by 31 July 2025)
| Discipline |
Acceptable Qualification |
Required GATE Paper |
| Electronics & Communication Engineering |
BE/B.Tech in Electronics & related branches |
EC |
| Mechanical Engineering |
BE/B.Tech in Mechanical & allied branches |
ME |
| Computer Science & Engineering |
BE/B.Tech in CSE/IT and relevant combinations |
CS |
| Electrical Engineering |
BE/B.Tech in Electrical & related fields |
EE |
| Material/Metallurgical Engineering |
BE/B.Tech in Metallurgy, Material Science |
MT / XE |
| Physics |
M.Sc. in Physics or its specialization |
PH |
| Chemistry |
M.Sc. in Chemistry or related specialization |
CY |
| Civil Engineering |
BE/B.Tech in Civil or Structural Engineering |
CE |
| Mathematics |
M.Sc. in Mathematics or Applied Mathematics |
MA |
| Aeronautical/Aerospace Engineering |
BE/B.Tech in Aero/Aerospace/Avionics |
AE |
| Biomedical Engineering |
BE/B.Tech in Biomedical & allied branches |
BM |
| Psychology |
M.A./M.Sc. in Psychology & related areas |
XH |
| Clinical Psychology |
M.A. in Clinical Psychology + RCI Registration |
XH |
| Biostatistics |
M.Sc. in Statistics/Biostatistics |
ST |
| Entomology |
M.Sc. in Entomology/Zoology or related fields |
XL |
| Post Name |
Pay Level |
Basic Pay |
Approx. Gross Salary |
| Scientist ‘B’ (DRDO/ADA/Other Establishments) |
Level 10 (7th CPC) |
₹56,100/- |
Approx. ₹1,00,000/- per month (including allowances) |
- Basic Pay: ₹56,100/- per month (Level-10)
- Total Salary: Approx. ₹1,00,000/- per month with HRA & other allowances
- Additional Benefits: DA, HRA, TA, Medical Facilities, Pension Scheme, etc.
- Shortlisting based on valid GATE 2023/2024/2025 score in relevant subject.
- Candidates shortlisted in a 1:10 ratio discipline-wise and category-wise.
- Shortlisted candidates must confirm willingness for Personal Interview.
- Final Merit List based on:
- 80% weightage – GATE Score
- 20% weightage – Personal Interview
- Minimum Interview Qualifying Marks:
- 70% for UR category
- 60% for EWS/OBC/SC/ST/PwBD categories
- Document Verification and Medical Examination post-selection.
- Final Result to be published on rac.gov.in.
There is no written exam. The selection is based on GATE score and personal interview. Below is the weightage breakdown:
| Stage |
Component |
Weightage |
Remarks |
| 1 |
GATE Score (2023/2024/2025) |
80% |
Shortlisting + Merit Calculation |
| 2 |
Personal Interview |
20% |
Held at Delhi or other notified centers |
| — |
Minimum Interview Marks |
UR: 70%, Others: 60% |
Mandatory for final selection |
| Organization |
UR |
EWS |
OBC |
SC |
ST |
Total |
| DRDO |
53 |
12 |
33 |
19 |
10 |
127 |
| ADA |
4 |
3 |
1 |
1 |
0 |
9 |
| WESEE |
2 |
1 |
0 |
0 |
0 |
3 |
| CME |
1 |
1 |
1 |
0 |
0 |
3 |
| AFMC |
2 |
1 |
0 |
0 |
0 |
3 |
| SCN/SCC |
2 |
1 |
0 |
0 |
0 |
3 |
- Visit the official website: https://rac.gov.in
- Register online with a valid email ID and mobile number.
- Log in using your credentials to access the application form.
- Fill in all required details carefully including GATE score and personal information.
- Upload the following documents:
- Photograph and signature
- GATE Scorecard (2023/2024/2025)
- Degree/Marksheet/Provisional certificate
- Caste, EWS, PwBD certificates (if applicable)
- Govt. Employee NOC or Intimation Letter (if applicable)
- Pay the application fee online (if applicable).
- Double-check all entries and lock your application before submission.
- Download and keep a copy of the submitted application for future use.
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Q1. What is the last date to apply for DRDO Scientist B posts?
The last date is 21 days from the date of publication in Employment News. Candidates are advised to apply as early as possible on the RAC website.
Q2. Can final year students apply?
Yes, students in their final year/semester can apply, provided they obtain and upload their degree/provisional certificate by 31st July 2025.
Q3. Is GATE mandatory for all applicants?
Yes, a valid GATE score from 2023, 2024, or 2025 in the relevant subject is mandatory for eligibility and shortlisting.
Q4. Will there be a written exam?
No. Selection is based only on GATE score and personal interview as per the prescribed weightage system.
Q5. Where will the interview be conducted?
The personal interviews will be held in Delhi or at a location decided by DRDO RAC and will be communicated via the official portal.
Q6. Is there any application fee?
Yes. ₹100 for General, EWS and OBC (Male candidates). SC/ST/PwBD and all women candidates are exempted.
Q7. How is the final selection calculated?
Final merit = 80% GATE Score + 20% Interview marks. Minimum qualifying marks in interview are 70% (UR), 60% (others).
Q8. What documents are required during application?
You need to upload photograph, signature, valid GATE scorecard, educational qualification, category certificate (if applicable) and other relevant documents.
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