The Indian Space Research Organization (ISRO) recently conducted the ICRB Scientist / Engineer Exam for 2025. After the successful completion of the examination on 26 October 2025, ISRO released the official answer key for candidates. This important document is now available, helping candidates match their responses and estimate their scores before the final results are declared.
What is ISRO ICRB Scientist / Engineer Exam?
ISRO ICRB (ISRO Centralized Recruitment Board) Scientist / Engineer Exam is an annual recruitment test aimed at selecting qualified candidates for various engineering roles within ISRO. These roles include Scientist/Engineer ‘SC’ (Electronics), Scientist/Engineer ‘SC’ (Mechanical), Scientist/Engineer ‘SC’ (Computer Science), as well as special positions at research labs.
Important Dates You Should Know
Candidates preparing for the ISRO ICRB Scientist / Engineer Exam 2025 must keep track of essential dates:
- Application Start Date: 27 May 2025
- Last Day for Application: 16 June 2025
- Last Day for Fee Payment: 18 June 2025
- Admit Card Released: 17 October 2025
- Examination Date: 26 October 2025
- Result Announcement: 4 November 2025
Being aware of these dates ensures you do not miss any important update regarding the recruitment process.
Eligibility and Vacancy Details
ISRO offers multiple vacancies across different engineering streams:
| Post Name | No. Of Posts |
|---|---|
| Scientist/Engineer ‘SC’ (Electronics) | 113 |
| Scientist/Engineer ‘SC’ (Mechanical) | 160 |
| Scientist/Engineer ‘SC’ (Computer Science) | 44 |
| Scientist/Engineer ‘SC’ (Electronics) PRL | 2 |
| Scientist/Engineer ‘SC’ (Computer Science) PRL | 1 |
Applicants must be between 18 and 28 years of age as of 16 June 2025. Age relaxation is available based on ISRO guidelines.
How to Check and Download the ISRO Answer Key 2025
Checking the answer key is a very straightforward process. Candidates need their Enrollment Number, Registration Number, or Date of Birth to log in and view or download the answer key. The answer key helps candidates to cross-check responses, evaluate their performance, and get a rough idea of their results even before official scores are published.
Steps to check the answer key:
- Visit the official ISRO ICRB website.
- Log in using your credentials (Enrollment Number / Registration Number / Date of Birth).
- Download the answer key for your set/question paper.
- Compare your responses to the official answers for evaluation.
Why Is the Answer Key Important?
The ISRO ICRB Scientist / Engineer Answer Key allows transparency in the recruitment process. Candidates can identify wrong responses, see correct answers, and, in case of any discrepancy, raise objections before the final key is released. This is crucial for ensuring fairness and accuracy in the examination process.
Application Fee Details
The application/exam fee was ₹750 for all categories; however, a refund policy applies for certain categories. Online payment options included Debit Card, Credit Card, Internet Banking, IMPS, Cash Card, and Mobile Wallet. Final refund amount for SC/ST/PwBD/Women/Ex-Servicemen categories is ₹750, and ₹500 for others, with the final application fee being ₹250.
Selection Procedure
The selection of ISRO Scientists / Engineers involves a written examination followed by interviews and document verification. Only those who qualify the cut-off and clear the interview round are selected for various ISRO posts.
Conclusion
The release of the ISRO ICRB Scientist / Engineer Answer Key 2025 marks a significant milestone for candidates who appeared for the prestigious exam. Aspirants should carefully check their answers, calculate their estimated scores, and be ready for the next steps in the recruitment process. Staying informed and proactive is the key to securing a position at ISRO—one of India’s most respected organizations in the field of space and technology.