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Engineering & Technical
NationalGovt2025 cycle

DRDO RAC Scientist B

Defence Research & Development Organisation (via RAC)

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Domain
Engineering & Technical
Level
National
Type
Govt
Application closes
To be announced

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Exam snapshot

Overview

Conducting body

Defence Research & Development Organisation (via RAC)

What you get

Scientist 'B' in DRDO labs

Latest content cycle

2025

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Worth preparing alongside

We cannot line DRDO RAC Scientist B up against other exams yet

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Complete exam guide

Eligibility, pattern, syllabus, dates and official resources in one structured view.

Eligibility
Exam pattern

Qualification pathway

Clear each applicable stage in order

Final selection or admission still depends on the published cutoff or merit list and any applicable counselling, document, medical, preference and vacancy rules.

Selection sequence

  1. 1

    Valid GATE score (screening / shortlisting)

    Required

    Advertisement No. 156 accepted GATE 2023, 2024 or 2025 scores. The accepted GATE years are re-set in each advertisement. For the paper pattern, syllabus and past papers, see the GATE record.

  2. 2

    Personal Interview

    Required

    Recommendations for vacancies in Mechanical Engineering (Item no. 2), Electrical Engineering (Item no. 4), Physics (Item no. 6) and Chemical Engineering (Item no. 8) made available in the candidate login. RAC issued a correction the same day noting that the results declared were those of Physics (Item no. 6), not Electrical Engineering, and that interviews for Electrical Engineering were scheduled from 23 February 2026 to 02 March 2026.: 2026-02-11

Paper and stage details

What each stage contains

2 records

Valid GATE score (screening / shortlisting)

No DRDO paper. The candidate must already hold a valid GATE score in the paper prescribed against the discipline applied for.

Questions

Not stated

Maximum marks

Not stated

Duration

Not stated

Personal Interview

In person

Questions

Not stated

Maximum marks

Not stated

Duration

Not stated

Syllabus
Syllabus taxonomy has not been loaded yet.
Important dates

2025 cycle

Latest confirmed cycle has concluded

Final cut-off marks for selection made available to shortlisted candidates in the Candidate Login section at the RAC website. This is the last recorded update for Advertisement No. 156.: 2026-04-28

Concluded

Next examination date has not yet been published in StudyBddy's verified official record. The date above is historical—not an upcoming deadline.

Full published timeline9 completed · 0 awaiting dates

Final cut-off marks for selection made available to shortlisted candidates in the Candidate Login section at the RAC website. This is the last recorded update for Advertisement No. 156.

Completed

2026-04-28

Recommendations for vacancies in Electronics & Communication Engineering (Item no. 1), Electrical Engineering (Item no. 4) and Material Science & Engineering / Metallurgical Engineering (Item no. 5) made available in the candidate login.

Completed

2026-03-18

Recommendations for vacancies in Mechanical Engineering (Item no. 2), Electrical Engineering (Item no. 4), Physics (Item no. 6) and Chemical Engineering (Item no. 8) made available in the candidate login. RAC issued a correction the same day noting that the results declared were those of Physics (Item no. 6), not Electrical Engineering, and that interviews for Electrical Engineering were scheduled from 23 February 2026 to 02 March 2026.

Completed

2026-02-11

Interview letters for Electrical Engineering (Item no. 4) and for Electronics & Communication Engineering (candidates shortlisted under UR and EWS) made available in the candidate login.

Completed

2026-02-05

Interview letters for Metallurgy / Material Engineering / Material Science & Engg (Item no. 5) made available in the candidate login at the RAC website.

Completed

2026-02-03

Extended Closing Date

Completed

2025-08-08

Original Closing Date

Completed

2025-07-04

Age Reckoning Date

Completed

2025-07-04

Start Date

Completed

2025-06-14

Job profile & salary

Encadred Posts Warning

The 16 encadred Scientist 'B' posts belong to the Indian Armed Services. Their emoluments are paid by those services and the posts are NOT transferable to DRDO establishments. A candidate choosing an encadred post is not joining DRDO.

Service Liability

Selected candidates have the liability to serve anywhere in India including remote and field-area locations, as per Central Government Rules.

Medical

Appointment is subject to qualifying the Medical Examination prescribed for Group 'A' Technical posts of the Government of India with Field Service liability, and to verification of Character & Antecedents.

Cutoffs
Official cutoff records have not been loaded yet.
Previous-year papers
Official question-paper and answer-key pairs have not been loaded yet.
Books & study sources
Book recommendations have not been reviewed yet.
Official & trusted free resources
Official free resources have not been reviewed yet.
How to apply
Open official application page
  1. 1Register online at the RAC website (https://rac.gov.in).
  2. 2On successful registration, log in before the closing date of the advertisement to fill the application form online.
  3. 3Upload the requisite certificates and the details of the application fee payment (if not exempted).
  4. 4Lock the application before submitting it.
FAQs
Is there a DRDO Scientist B entrance exam I should prepare for?

No. RAC's own home page states: 'For the Direct Recruitment to the post of Scientist B in DRDO, candidates are required to possess a valid GATE score in the relevant discipline for which GATE is conducted, including the disciplines of Engineering Sciences, Life Sciences, and Humanities & Social Sciences.' Advertisement No. 156 puts it as: 'The recruitment in the disciplines will be based on valid GATE Score (2023/2024/2025) and Personal Interview.' Prepare for GATE in your discipline's paper. There is no separate DRDO paper to study for.

Which GATE paper do I need?

The one prescribed against the discipline you are applying for. Under Advertisement No. 156 the mapping ran, among others: Electronics & Communication Engg to EC, Mechanical to ME, Computer Science to CS, Electrical to EE, Metallurgy / Material Science to MT or Engineering Sciences XE, Physics to PH, Chemistry to CY, Chemical Engg to CH, Aeronautical / Aerospace to AE, Mathematics to MA, Civil to CE, Bio-medical to BM, Entomology to Life Sciences XL, Statistics to ST, and Clinical Psychology and Psychology to Humanities & Social Sciences XH. Always read the current advertisement's table - the mapping is set afresh each time.

How old can my GATE score be?

It depends on the advertisement. Advertisement No. 156 accepted GATE scores of 2023, 2024 or 2025. RAC's Public Notice adds that only candidates who possess a valid GATE score on the crucial date of eligibility will be considered for shortlisting. Do not assume a three-year window will always apply.

How does the selection actually work?

Eligible candidates are shortlisted on GATE score in the ratio 1:10 in discipline-wise, category-wise merit order. Those shortlisted appear for a Personal Interview at Delhi or another place decided by RAC. The final merit is 80% weightage of the GATE score plus 20% weightage of the interview marks. You must also score at least 70% (UR) or 60% (EWS/OBC/SC/ST/Divyangjan) in the interview itself - a candidate who fails to clear that bar is not selected no matter how high the GATE score.

Could there be a written test as well?

Possibly, in a future cycle. RAC's Public Notice of 27-Aug-2025 says direct recruitment will be conducted 'based on a valid GATE score and/or written test / interview', and Advertisement No. 156 reserves the right to administer 'any other selection tool/test' at RAC's sole discretion. Advertisement No. 156 itself set no written test. Read the advertisement for the cycle you are applying to.

What is the age limit?

Under Advertisement No. 156, age not exceeding 35 years for UR/EWS, 38 for OBC (non-creamy layer) and 40 for SC/ST, reckoned as on the closing date of the advertisement. Divyangjan candidates get up to 10 years' relaxation; serving Central Civilian Government employees up to 5 years in the same or allied cadres; ex-servicemen as per rules in vogue. Note that when RAC extended the application deadline to 08 August 2025, it kept 04 July 2025 as the date for determining age.

What is the pay?

Level-10 of the 7th CPC Pay Matrix, with a Basic Pay of Rs.56,100/-. The advertisement states that total emoluments inclusive of HRA and all other allowances at joining will be approximately Rs. 1,00,000/- per month at the present metro city rate.

Is there a Scientist B advertisement open right now?

As of 04 August 2026, no. The most recent Scientist 'B' direct recruitment is Advertisement No. 156, whose final cut-off marks were released to shortlisted candidates on 28 April 2026. RAC's Public Notice says the detailed advertisement for a further cycle will be notified in the Employment News and on rac.gov.in if and when the requirement arises, and RAC asks applicants to check its website at least twice a week. In the meantime, hold a valid GATE score so you are ready to apply.

If I am selected, am I joining DRDO?

Not necessarily. The same advertisement fills posts in DRDO, in ADA Bengaluru (where you would be designated Scientist/Engineer 'B' and would not be part of DRDO), and encadred Scientist 'B' posts in WESEE, CME, AFMC and the Services Selection Centres. The encadred posts belong to the Indian Armed Services, are paid by them, and are not transferable to DRDO establishments.

Final eligibility and dates are always subject to the latest official notification. Content marked “Pending verification” is not presented as verified advice.