The ISRO Centralised Recruitment Board (ICRB) final answer key for the Assistant, UDC, JPA and Stenographer written test is listed as released on 28 October 2026. Candidates can open the answer key login page from the link in this article. The skill test is listed for 1 November 2026.
Direct Link to Check ISRO Assistant and UDC Final Answer Key 2026
ISRO Final Answer Key 2026 – Quick Overview
| Detail | Information |
|---|---|
| Organisation | Indian Space Research Organisation (ISRO), Department of Space |
| Advertisement Number | ISRO:ICRB:01(A-JPA):2026 (dated 27-07-2026) |
| Posts | Assistant, Upper Division Clerk (UDC), Junior Personal Assistant (JPA), Stenographer |
| Written Test Date | 21 September 2026 |
| Final Answer Key Date | 28 October 2026 |
| Skill Test Date | 1 November 2026 |
| Answer Key Mode | Online, through a candidate login page |
| Written Test | 200 questions, 200 marks, 150 minutes |
| Marking Scheme | +1 for each correct answer, -0.25 for each wrong answer |
| Official Website | isro.gov.in |
How to Check the ISRO Final Answer Key 2026
- Open the answer key login page from the Important Links section.
- Enter the login credentials requested on the page.
- Open your response sheet and the answer key.
- Compare each of your answers with the key.
- Save or print the page for your records.
How to Calculate Your ISRO Written Test Score
The written test carries negative marking. Use this formula:
Score = (Number of correct answers × 1) − (Number of wrong answers × 0.25)
Unattempted questions are not mentioned in the marking scheme, so no marks are assumed for them.
ISRO Written Test Pattern
| Post Group | Sections | Total Questions and Marks |
|---|---|---|
| Assistant / UDC | General English (50), Quantitative Aptitude (50), General Intelligence & Reasoning (50), General Knowledge (50) | 200 questions, 200 marks |
| JPA / Stenographer | English Language & Comprehension (100), General Intelligence & Reasoning (50), Quantitative Aptitude & General Knowledge (50) | 200 questions, 200 marks |
Qualifying Marks in the Written Test
- Unreserved (UR): 50% in each part
- Reserved categories: 40% in each part
ISRO Recruitment 2026 Important Dates
| Event | Date |
|---|---|
| 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 |
Also Read: RPSC 2nd Grade Result 2026
What Happens After the Final Answer Key?
- Shortlisting for the skill test: Candidates are shortlisted based on written test performance, in a ratio of up to 1:5 against category-wise vacancies, with a minimum of 10 candidates.
- Skill test: Computer literacy for Assistant/UDC. Stenography test for JPA/Stenographer.
- Final selection: Based on written test marks, from among candidates who qualify in the skill test.
Skill Test Details
| Post Group | Test | Qualifying Criteria |
|---|---|---|
| Assistant / UDC | Computer Literacy: MS Word (35 marks), MS Excel (35 marks), MS PowerPoint (30 marks). Duration: 75 minutes. | UR 60%, Reserved 50% |
| JPA / Stenographer | Shorthand dictation of 300 words at 60 w.p.m. (5 minutes), followed by transcription on computer (30 minutes). Pitman’s shorthand only. | Maximum mistakes: UR 10%, Reserved 12% |
Tie-Breaker Rules
- Assistant/UDC: higher marks in General Intelligence & Reasoning.
- JPA/Stenographer: higher marks in English Language & Comprehension.
- If still tied: the older candidate ranks higher.
ISRO Assistant & UDC Vacancy 2026
| Post No. | Post |
|---|---|
| 1 | Assistant (ISRO Centres and DOS Branch Secretariat) |
| 2 | Junior Personal Assistant (ISRO Centres and DOS Branch Secretariat) |
| 3 | Upper Division Clerk (UDC) |
| 4 | Stenographer |
| 5 | Assistant (Autonomous Bodies) |
| 6 | Junior Personal Assistant (Autonomous Bodies) |
Eligibility Criteria
| Post Group | Qualification |
|---|---|
| Assistant / UDC | Graduation with minimum 60% marks or 6.32 CGPA on a 10-point scale, completed within the stipulated duration of the course. Proficiency in computer use is required. |
| JPA / Stenographer | Graduation or Diploma in Commercial/Secretarial Practice with minimum 60% marks (or 6.32 CGPA), plus one year experience as Steno-Typist/Stenographer. Minimum 60 w.p.m. English stenography speed. Computer proficiency is required. |
Conversion of CGPA into percentage is not permitted when checking eligibility.
Age Limit
| Category | Upper Age Limit |
|---|---|
| General / UR | 28 years |
| OBC (Non-Creamy Layer) | 31 years |
| SC / ST | 33 years |
| PwBD (General) | 38 years |
| PwBD (OBC) | 41 years |
| PwBD (SC/ST) | 43 years |
| Ex-Servicemen | As per Government of India rules |
The minimum age is 18 years. Age is counted as on the application closing date.
Application Fee and Refund
- ₹500 for Assistant/UDC posts.
- ₹500 for JPA/Stenographer posts.
- ₹1,000 if applying for both categories.
- Women, SC, ST, PwBD and Ex-Servicemen candidates who appear in the written test are eligible for a full refund.
- Other candidates who appear in the written test receive a partial refund of ₹400.
- No refund is considered for candidates who do not appear in the written test.
Important Instructions for Candidates
- Only Indian nationals can apply.
- Selected candidates can be posted to any ISRO/Department of Space centre or unit and may be transferred.
- No travel allowance is paid for the written test.
- Candidates attending the skill test are reimbursed to-and-fro second-class train fare.
- Canvassing in any form leads to disqualification.
- Do not trust fake offers of appointment in ISRO.
Also Read: GSSSB Laboratory Assistant Answer Key 2026
ISRO Assistant and UDC Final Answer Key 2026 – Important Links
| Link | URL |
|---|---|
| Check Final Answer Key (login required) | Click Here |
| ISRO Careers Page | Click Here |
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