Indian Space Research Organisation (ISRO)
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The application deadline for this vacancy (01 Oct 2026) has concluded. Explore active openings below.
Quick Summary
ISRO Centralised Recruitment Board (ICRB) has released the provisional answer keys and question booklets (Series A, B, C, D) for the posts of Assistant, Junior Personal Assistant (JPA), Upper Division Clerk (UDC), and Stenographer on 25 September 2026. Candidates can check the answer keys and raise online objections until 01 October 2026 on isro.gov.in.
Job Location
All India (ISRO Centres)
Salary / Pay Scale
Level-4 (₹25,500 – ₹81,100)
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Full Information
Key Highlights
- Recruiting Organization: Indian Space Research Organisation (ISRO - ICRB)
- Recruitment Posts: Assistant, JPA, Upper Division Clerk (UDC) & Stenographer
- Key Release Date:
- Challenge Window: to
- Question Series: Sets A, B, C, and D Question Booklets
- Official Portal: isro.gov.in
About ISRO Assistant & UDC Answer Key 2026
The ISRO Centralised Recruitment Board (ICRB) under the Department of Space, Government of India, has published the provisional answer keys along with original question papers for the nationwide written test on .
Candidates who appeared for the administrative and clerical cadre examinations can verify their answers against the master keys released for all question booklets. The board has also activated an online feedback mechanism for submitting challenges against any contentious questions.
Important Dates
| Event Description | Key Date |
|---|---|
| Provisional Answer Key Release Date | |
| Opening of Online Objection Mechanism | |
| Last Date to Submit Representations | |
| Declaration of Written Test Results & Final Key | October / November 2026 |
How to Download ISRO Answer Key 2026
- Visit the official ISRO portal at www.isro.gov.in.
- Scroll down to the footer and click on "Careers".
- Under the latest recruitment notices, look for: "Written Test for the posts of Assistant/JPA/UDC/Stenographer - Click here to view Question Papers & Answer Keys".
- Select your specific post and question paper set (Series A, B, C, or D).
- The answer key PDF will open on your browser. Download and save the document.
- Cross-verify your answers to compute your expected raw score.
How to Submit Objections Online
- Click on the "Online Challenge Form" link provided on the ISRO Careers page.
- Enter your Roll Number and Registered Email Address.
- Select the Question Number and Question Booklet Series.
- Provide justified arguments along with references from standard textbooks.
- Submit the objection before the deadline of 01 October 2026.
Written Exam Marking Scheme
- Total Questions: 200 Questions (Duration: 120 Minutes).
- Marks per question: +1 mark for every correct response.
- Negative Marking: -0.25 mark deducted for each wrong answer.
- Qualifying standard: Minimum 50% for General and 40% for Reserved categories.
Eligibility Criteria
Selection Process
Frequently Asked Questions
Q: When was the ISRO Assistant & UDC Answer Key 2026 released?
Ans: ISRO ICRB officially released the provisional answer keys on 25 September 2026.
Q: What is the last date to raise objections against the ISRO answer key?
Ans: Candidates can submit online objections through the ICRB portal until 01 October 2026.
Q: Which posts are covered under this ISRO answer key release?
Ans: The answer key covers Assistant, Upper Division Clerk (UDC), Junior Personal Assistant (JPA), and Stenographer posts.
Q: Where can I download the ISRO question booklets and keys?
Ans: Question papers across all test series (A, B, C, D) and keys are accessible on isro.gov.in under the Careers section.
Q: What is the marking scheme for the ISRO written examination?
Ans: Each question carries 1 mark. A negative marking of 0.25 marks applies for each wrong response.
How to Download Indian Space Research Organisation (ISRO) Answer Key 2026
- Find the "Important Links" section at the bottom of this page.
- Click on the "Download Answer Key" link.
- Login with your Roll Number and Password if required.
- Download the question paper and response sheet to match your answers.
- In case of any objection, you can challenge the answer key within the specified dates.