ISRO Assistant UDC Final Answer Key 2026 Out, Download
ISRO Assistant aur UDC ki final answer key 28 October 2026 ko jaari ho gayi hai. The written test for Assistant, UDC, JPA and Stenographer posts was held on 21 September 2026. Graduates with at least 60% marks can check the key through the candidate login page. The application fee was Rs 500 per post and Rs 1,000 for both posts.
| Post name | ISRO Assistant, UDC, JPA, Stenographer |
|---|---|
| Total vacancies | To be announced |
| Qualification | Graduate (Assistant/UDC); Graduate or Commercial/Secretarial Diploma (JPA/Stenographer) |
Important dates
| Notification Release | 27 July 2026 |
|---|---|
| Online Application Start | 27 July 2026 (10:00 AM) |
| Online Application Last Date | 20 August 2026 (11:55 PM) |
| Written Test | 21 September 2026 |
| Result Date (as listed) | 24 October 2026 |
| Final Answer Key | 28 October 2026 |
| Skill Test | 1 November 2026 |
Application fee
| Assistant/UDC | Rs 500 |
|---|---|
| JPA/Stenographer | Rs 500 |
| Both categories | Rs 1,000 |
Age limit
- General/UR: 28 years
- OBC (Non-Creamy Layer): 31 years
- SC/ST: 33 years
- PwBD (General): 38 years
- Minimum age 18 years; age counted on application closing date
Eligibility
- Assistant/UDC: Graduation with minimum 60% marks or 6.32 CGPA on 10-point scale, and computer proficiency
- JPA/Stenographer: Graduation or Commercial/Secretarial Practice diploma with 60% marks, plus one year experience as Steno-Typist/Stenographer, and 60 w.p.m. English stenography speed
- Only Indian nationals can apply
Seats / vacancy details
| Vacancy count | Not stated in notice |
|---|---|
| Posts listed | Assistant, UDC, JPA, Stenographer (ISRO Centres, DOS Secretariat and Autonomous Bodies) |
How to apply
- Open the answer key login page from the official link given in the notice.
- Enter the login credentials asked on the page.
- Open your response sheet and the official answer key side by side.
- Compare each answer and calculate your score as (correct x 1) minus (wrong x 0.25).
- Save or print the page for future reference.
Important links
| Official website | Click here ↗ isro.gov.in |
|---|---|
| Official website / notification | Click here ↗ isro.gov.in |
| Official link 2 | Click here ↗ www.isro.gov.in |
Selection Process
Candidates are first shortlisted on written test marks, up to 1:5 against category-wise vacancies, with at least 10 candidates per post. Shortlisted candidates then appear for a skill test. Final selection depends on written test marks among those who clear the skill test.
Exam Pattern
| Post | Sections | Questions and Marks |
|---|---|---|
| Assistant / UDC | General English, Quantitative Aptitude, Reasoning, General Knowledge (50 each) | 200 questions, 200 marks, 150 minutes |
| JPA / Stenographer | English Language and Comprehension (100), Reasoning (50), Quantitative Aptitude and GK (50) | 200 questions, 200 marks, 150 minutes |
Negative marking applies: 0.25 marks are cut for each wrong answer. Qualifying marks are 50% in each part for UR and 40% for reserved categories.
How to Prepare
Step 1: Match your response sheet with the official key and note every mismatch. Step 2: Calculate your raw score using the negative marking formula and compare it with the category cut-off. Step 3: Keep your certificates and computer skill details ready, as the skill test on 1 November 2026 is the next stage.
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Frequently asked questions
ISRO Assistant UDC final answer key kab aayi?
The final answer key was released on 28 October 2026.
ISRO answer key kahan se download karein?
Use the answer key login page linked in the notice, sign in with your credentials, and then open the response sheet and key. The key is also linked from the official ISRO careers page.
Written test kab hua tha?
The written test was held on 21 September 2026.
Score kaise calculate karein?
Score = (correct answers x 1) minus (wrong answers x 0.25). Unattempted questions carry no marks.
Skill test kab hai aur usme kya hota hai?
The skill test is on 1 November 2026. Assistant/UDC candidates take a computer literacy test, while JPA/Stenographer candidates take a shorthand dictation and transcription test.
Qualifying marks kitne hain?
Unreserved candidates need 50% and reserved category candidates need 40% in each part of the written test.
Is post ki total vacancy kitni hain?
The vacancy count is not stated in the notice, so please check the official ISRO notification for the exact number.
Source: Written from the official notice on 29 Oct 2026. Dates and rules can change, so always confirm on the official website before applying.
