IISER Aptitude Test registration 2025 will begin on March 5, 2025, and the application form filling link will remain active till April 15, 2025, for the entrance examination scheduled to be held on May 25, 2025.Â
The Indian Institutes of Science Education and Research (IISER) has announced the commencement of IISER 2025 registration at the official website. The IISER IAT application process 2025 will begin on March 5, 2025. Aspiring candidates looking to join undergraduate programs such as BS and BS-MS at IISER campuses across India shall apply at the earliest, once the registration window opens, to avoid any discrepancies. Candidates seeking admission to IISER 2025 entrance exam must appear for a computer-based IISER Aptitude Test (IAT-2025).Â
IISER 2025 Admission DatesÂ
Students willing to appear for the entrance examination can check the event-wise dates from below:Â
| Events | Dates |
|---|---|
| IISER Entrance Exam 2025 Application Form Start Date | 5-Mar-2025 |
| IISER Entrance Exam 2025 Application Form End Date | 15-Apr-2025 |
| IISER Entrance Exam 2025 Application Form Correction Window | 21-Apr-2025 to 22-Apr-2025 |
| IISER Entrance Exam 2025 Admit Card | 15-May-2025 |
| IISER Entrance Exam Date 2025 | 25-May-2025 |
| IISER Entrance Exam 2025 Answer Key | 25-May-2025 (After the successful conduct of examination) |
Students willing to appear for the entrance examination can check the document required to fill the application form from below:Â
- Class X certificate
- Class XII (or equivalent examination).
- If the class XII (or equivalent) marks sheet is not available now, then the student can instead upload a signed declaration form - “DECLARATION BY THE CANDIDATE IN LIEU OF ELIGIBILITY EXAM CERTIFICATE/ MARKSHEET” that will be made available for the students.Â
IISER 2025 Major Changes IntroducedÂ
IISER has stipulated major changes in the IISER 2025 exam conducting body, eligibility criteria, reservation criteria, new courses added, increased seat intake and other minor details as listed below:Â
- IISER Kolkata is starting a new 5-year BS-MS dual degree program in Computational and Data Sciences from Academic Year 2025-2026
- IISER 2025 exam will be conducted by IISER Tirupati for the first time
- IISER 2025 eligibility criteria, for this academic session, is based on the Date of Birth (DOB) of the candidates and age relaxation is given to the reserved category students.
- 4-Year B.Tech. (in Chemical Engineering, Data Science & Engineering and Electrical Engineering & Computer Science) will be offered at IISER Bhopal.
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INR 2,000/- for candidates applying under General, EWS, and OBC-NCL categories.
INR 1,000/- for candidates applying under persons with disabilities, persons registered as Kashmir migrants and SC/ST category.
INR 8,500/- for foreign nationals. Candidates must note that the application fee is non-refundable.
Given below is a list of documents/certificates whose scanned copies are to be uploaded at the time of online application for IAT. The formats of the certificates are given in the Annexure.
- Class 10 certificate
- Class 12 (or equivalent examination).
- If the class 12 (or equivalent) marks sheet is not available now, then you can instead upload a signed declaration form mentioning : DECLARATION BY THE CANDIDATE IN LIEU OF ELIGIBILITY EXAM CERTIFICATE/ MARKSHEET SEE Annexure). Fill up the form, sign it, scan it and then upload. The scanned copies of the actual marks sheet must be uploaded on or before July 7, 2025, failing which you will not be allotted a seat in any of the IISERs.
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Candidates are able to fill out the IISER Entrance Exam application form will start in March 2026 onwards. The application process is completely online, and candidates need to register themselves first on the IAT official website.