ISRO Releases Answer Key 2026 For Assistant, UDC, JPA Posts; Objection Deadline September 27

The Indian Space Research Organisation (ISRO) has released the official provisional answer key for multiple posts on September 25, 2026. Candidates who took the written examination on September 21 can now access the response sheet and file objections through the official portal. The objection submission window closes on September 27, 2026.

The answer key covers recruitment for four distinct positions: Assistant, Upper Division Clerk (UDC), Junior Personal Assistant (JPA), and Stenographer. A total of 267 vacancies are available across these posts under Advertisement Number ISRO: ICRB:01(A-JPA):2026. All candidates who appeared in the exam should verify their responses against the official answer key.

How to Download ISRO Answer Key 2026

The ISRO Answer Key 2026 is available on the official website at www.isro.gov.in. Candidates can download the provisional answer key along with the response sheet directly from this portal. The official website also displays the objection management portal link for candidates to submit challenges against any answer.

To access the answer key, candidates must visit the ISRO official website and locate the recruitment section. The response sheet PDF contains all questions and their corresponding answers for the written examination. Downloading the answer key allows candidates to cross-check their responses before the objection deadline.

ISRO Answer Key 2026 – Key Details

  • Organisation: Indian Space Research Organisation (ISRO)
  • Advertisement Number: ISRO: ICRB:01(A-JPA):2026
  • Posts: Assistant, Upper Division Clerk (UDC), Junior Personal Assistant (JPA), Stenographer
  • Total Vacancies: 267
  • Written Exam Date: September 21, 2026
  • Answer Key Release Date: September 25, 2026
  • Objection Submission Deadline: September 27, 2026
  • Official Website: www.isro.gov.in

Raising Objections Against ISRO Answer Key 2026

Candidates who believe there are errors in the provisional answer key can submit objections online. The objection management portal on the ISRO official website allows candidates to challenge specific answers. All objections must be submitted in online mode only.

The deadline to raise objections is September 27, 2026. Candidates should carefully review the answer key and response sheet before submitting any challenges. Only objections filed through the official portal within the specified timeframe will be considered by ISRO.

After reviewing all submitted objections, ISRO will release the final answer key. The final answer key will be used to calculate the scores of all candidates who appeared in the written examination.

Selection Process After ISRO Answer Key 2026

Based on performance in the written test, candidates will be shortlisted for the skill test. The shortlisting ratio is 1:5 (maximum) to the category-wise number of vacancies, with a minimum aggregate of 10 candidates per category.

The skill test phase includes post-specific assessments. For example, candidates applying for certain positions must undergo a Computer Literacy Test. Stenographer candidates will face a Stenography Test. These skill tests determine the final selection of candidates for appointment.

Candidates should regularly check the ISRO official website for updates on the final answer key, result declaration, and skill test schedule. All important announcements will be posted on www.isro.gov.in. Candidates must download the ISRO Answer Key 2026 and verify their performance before the objection deadline expires on September 27, 2026.


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