ISRO ICRB Answer Key 2026

ISRO has released the provisional answer key and response sheet for its 2026 recruitment examination for Assistant, Upper Division Clerk (UDC), Junior Personal Assistant (JPA) and Stenographer posts. Candidates who took the written examination can log in to review their answers, compare them with the provisional key and raise a challenge if they find a discrepancy.

The recruitment drive covers 267 vacancies across the listed posts in the Indian Space Research Organisation and Department of Space. The examination was held on 21 September 2026, and the provisional key was made available on 25 September. Candidates can access the material online using their mobile number and password; objections may be submitted within the prescribed window for a fee of ₹100 per question, plus applicable bank charges.

Important Dates

Vacancy Details

The recruitment drive includes 267 vacancies in total. The notification describes the posts as Assistant, Upper Division Clerk (UDC), Junior Personal Assistant (JPA) and Stenographer, but does not give a post-wise or category-wise vacancy breakdown in the answer-key notice.

Application Fee

The notice does not provide details of the original recruitment application fee. Candidates who challenge an answer in the provisional key must pay ₹100 per question, in addition to applicable bank charges. The fee is refunded if the objection is accepted. ISRO’s decision on objections is stated to be final and binding.

How to Apply

1. Open the official ISRO website at isro.gov.in, or use the answer-key login page.
2. Go to the latest notifications or Careers section and select the link for the UDC, Assistant or Stenographer answer key and response sheet.
3. Sign in using your mobile number and password to access the examination materials.
4. Download or view your response sheet and provisional answer key. Check the question paper, your selected responses and the answers shown for your examination shift.
5. If you find an answer you wish to challenge, open the objection portal, select the relevant question and upload documentary evidence supporting your claim.
6. Pay the objection fee of ₹100 for each challenged question, plus applicable bank charges, and submit the form.
7. Save or download the acknowledgement receipt for your records. The notice does not specify the objection window dates, so check the official portal for the applicable deadline.

Selection Process

The source notice confirms that the recruitment written examination took place on 21 September 2026 and that candidates can review the provisional answer key and submit objections during the prescribed window. It does not describe the complete selection stages. The recruitment result, cut-off marks and merit list were expected to be uploaded later; no result date was provided.

Candidates who sat the examination should check their response sheet promptly and, if necessary, submit a supported objection through the official portal within the objection period shown there.