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ISRO SDSC SHAR CBT Answer Key and Response Sheet 2026 – 141 Vacancies

Satish Dhawan Space Centre SHAR, Indian Space Research Organisation, has published candidates’ response sheets and answer keys for the Computer Based Test under Advertisement No. SDSC SHAR/RMT/01/2025.

Latest Update: The official Objection Management Portal will remain available from 6:00 PM on 12 September 2026 until 6:00 PM on 15 September 2026.
Candidate Alert: Candidates who appeared in the CBT must sign in through the official portal to inspect their recorded responses and answer keys. Any objection must be submitted before the closing time.

Answer Key Overview

OrganisationISRO – Satish Dhawan Space Centre SHAR
Advertisement NumberSDSC SHAR/RMT/01/2025
Corrigendum Date19 May 2026
Total Recruitment Vacancies141
Examination StageComputer Based Test
Current UpdateResponse sheets, answer keys and objection facility
Objection ModeOnline candidate login

Important Dates

Original Advertisement16 October 2025
Corrigendum19 May 2026
CBT Date4 September 2026
Objection Portal Opens12 September 2026 at 6:00 PM
Last Date and Time for Objections15 September 2026 at 6:00 PM

Candidates should complete every objection and retain the acknowledgement before the portal closes. Late representations are subject to the official portal conditions.

Vacancy Details

Scientist/Engineer ‘SC’23 vacancies
Technical Assistant28 vacancies
Scientific Assistant3 vacancies
Library Assistant ‘A’1 vacancy
Radiographer ‘A’1 vacancy
Technician ‘B’70 vacancies
Draughtsman ‘B’2 vacancies
Cook3 vacancies
Fireman ‘A’6 vacancies
Light Vehicle Driver ‘A’3 vacancies
Nurse ‘B’1 vacancy
Total141 vacancies

The answer-key notice does not announce a fresh vacancy revision. Candidates should read the original advertisement and the official corrigendum for the applicable post-wise and category-wise position.

Salary or Pay

Not applicable as a new condition. The answer-key update does not revise the post-wise pay levels or allowances prescribed in the recruitment advertisement.

Age Limit

Not applicable as a new condition. The objection notice does not alter the post-wise age limits or relaxation provisions in the original advertisement.

Qualification

Not applicable as a new requirement. Educational eligibility remains governed by Advertisement No. SDSC SHAR/RMT/01/2025 and its corrigendum.

Experience

Not applicable as a new condition. No separate experience requirement is introduced through this answer-key update.

Objection Fee

The public notice displayed on the SDSC SHAR recruitment page does not separately state an objection fee. Candidates must verify any payment requirement and instructions displayed after signing in to the official portal.

Selection Process

  1. Computer Based Test conducted on 4 September 2026.
  2. Publication of recorded responses and answer keys.
  3. Submission and examination of objections received within the prescribed window.
  4. Finalisation of answers after reviewing valid objections.
  5. Shortlisting for the applicable skill test, interview, endurance test or other post-specific stage.
  6. Document verification and medical examination, where prescribed.
  7. Final selection according to merit and the recruitment rules.

Exam Pattern

Not applicable as a revised update. The answer-key notice does not modify the CBT scheme, syllabus, marks, duration or post-wise selection criteria prescribed in the advertisement.

Details Required to Check the Response Sheet

  • Registration number or user ID used for the recruitment application.
  • Password or other authentication information requested by the portal.
  • Access to the registered email address or mobile number, if verification is required.
  • Question number and supporting justification for each proposed objection.
  • Payment details if the candidate portal prescribes an objection charge.

How to Check the Answer Key and Raise Objections

  1. Open the official SDSC SHAR Objection Management Portal linked below.
  2. Sign in using the credentials requested on the candidate-login page.
  3. Open the response-sheet or answer-key section for Advertisement No. SDSC SHAR/RMT/01/2025.
  4. Download or inspect the candidate’s recorded responses and published answers.
  5. Compare the recorded responses with the answer key carefully.
  6. Select the relevant question if an official answer is to be challenged.
  7. Enter the objection and upload supporting material in the prescribed format.
  8. Pay the applicable charge if the portal requires payment.
  9. Submit the objection by 6:00 PM on 15 September 2026.
  10. Download or print the submitted-objection acknowledgement for reference.

Important Links

Open Response Sheet and Objection Portal Open Official SDSC SHAR Recruitment Updates Page Download Official Recruitment Advertisement Download Cook and LVD Vacancy Corrigendum Open ISRO Recruitment Page

Frequently Asked Questions

Which recruitment does this answer key cover?

It covers the CBT held under Advertisement No. SDSC SHAR/RMT/01/2025 and the corrigendum dated 19 May 2026.

When was the CBT conducted?

The Computer Based Test was conducted on 4 September 2026.

When does the objection portal open?

The portal opens at 6:00 PM on 12 September 2026.

What is the objection deadline?

Candidates must submit objections by 6:00 PM on 15 September 2026.

How many vacancies are involved?

The recruitment advertisement and vacancy revision cover 141 vacancies across scientific, technical, medical, administrative, fire-service, driving and support posts.

Can candidates view their recorded responses?

Yes. The official notice states that the portal provides access to the published response sheet and answer keys.

Is an objection fee required?

The recruitment-page notice does not separately specify a fee. Candidates must follow the payment information, if any, displayed in the official portal.

Will objections be accepted after the deadline?

Candidates should not rely on late acceptance. Every challenge should be submitted and acknowledged before the notified closing time.

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