IISER Application Form 2025: Registration Process, Fees, Important Documents & City Preference

The official notification for the IISER Aptitude Test (IAT) 2025 has not yet been released by the Indian Institutes of Science Education and Research (IISERs). However, based on the previous year's schedule, it is expected to be released in the third week of March 2025. The IAT 2025 is the entrance exam for admission to the IISERs, which are premier institutions in India for Science education and research.

The IAT 2025 notification will contain important information for candidates, such as the eligibility criteria, application procedure, exam dates, syllabus, and selection process.

IISER will conduct the IISER Entrance Exam 2025 for the academic session 2025-2026. Candidates who wish to get enrol in the 5 year BS-MS dual degree and 4 year BS degree programmes offered by IISERs, IIT Madras and IISc Banglore institutes need to fill out the IAT 2025 registration form.

Candidates will be able to fill out the IISER Entarnce Exam 2025 appliaction form from the first week fo April 2025, tentaively. The application process will be completely online and candidates need to register themselves first on the IAT 2025 officail website.

The overall eligibility criteria that a candidate need to satisfy before applying for IISER 2025 entrance exam application form is mentioned below:

1. Applicants must be Indian nationals or PIO or OCI in order to apply through KVPY or JEE Advanced or IAT channels. Candidates who are NOT Indian nationals or PIO or OCI can apply for admission only through the JEE Advanced channel.
2. Candidates must have passed Class 12 (or equivalent) exam with Science stream in 2024 or 2025 from any board recognised by Council of Boards of School Education in India COBSE.
3. Candidates must have taken at least three subjects among Biology Chemistry Mathematics and Physics during their Class XII (or equivalent) exam.
4.  Candidates belonging to SC/ST/PwD should have scored a minimum of 55 percent marks in aggregate or equivalent grade in their Class 12 (or equivalent) exam. Candidates belonging to other categories should have scored a minimum of 60% marks in aggregate or equivalent grade in their Class XII (or equivalent) exam.

Given below is a list of documents/certificates whose scanned copies are to be uploaded at the time of online application for IAT 2025. The formats of the certificates are given in the Annexure.

1. Class 10 certificate
2.  Class 12 (or equivalent examination). 
3.  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.

The expected application fee for IISER Entrance Exam 2025 of various categories is as follow:

 1. INR 2,000/- for candidates applying under General, EWS, and OBC-NCL categories.

2. INR 1,000/- for candidates applying under persons with disabilities, persons registered as Kashmir migrants and SC/ST category.

3. INR 8,500/- for foreign nationals. Candidates must note that the application fee is non-refundable.

For candidates seeking admission under the GEN-EWS category

1. As per the latest guidelines of the Government of India, GEN-EWS Certificate should have been issued on or after April 01, 2024. If any GEN-EWS candidate fails to submit the GEN-EWS Certificate (issued on or after April 01, 2024) at the time of online application, the candidate has to upload a signed declaration form.

2. The candidate has to upload a fresh Certificate (issued on or after 1 April 2024) on or before July 7, 2025. 

3. If the Certificate is not uploaded by the given date and time, the candidate will not be considered for admission under this category. If qualified, the category will be adjusted accordingly in the Common Rank List.

No, IISER application forms had to be filled in online mode on the official website of the exam only. Candidates had to visit the official website of IISER 2025 and register first, which generated the credentials, or the username and password. After that, they had to log in and complete the application process by filling out the mandatory fields and paying the requisite application fee online.

For Candidates seeking admission under the OBC-NCL category:

1. As per the latest guidelines of the Government of India, OBC-NCL Certificate should have been issued on or after April 01, 2024.
2. If any OBC-NCL candidate fails to submit the OBC-NCL Certificate (issued on or after April 01, 2024) at the time of online application, the candidate has to upload a signed declaration form.
3. The candidate has to upload a fresh Certificate (issued on or after 1 April 2024) on or before July 7, 2024.
4. If the Certificate is not uploaded by the given date and time, the candidate will not be considered for admission under this category. If qualified, the category will be adjusted accordingly in the Common Rank List.

The portal for document upload and freezing of IISER preferences for IISER 2025 Admissions can be done in the window period in the month of July 2025, tentatively. After accepting the offer and paying seat acceptance fee, the candidate can exercise two options:

1. Candidate can FREEZE the seat (they will not participate in further rounds of counselling),
2. Candidate can FLOAT (they will participate in further rounds of counselling to get their higher preferences). The FLOAT option is activated by default for those who pay the seat acceptance fee. A student who has chosen to FLOAT will be again considered for seat allocation in the next round. If they are eligible to secure a seat in an IISER that is higher in their preference list than the currently accepted one, they will be offered that seat.

Candidates were advised to upload a scanned copy of their passport-size photograph which should be either coloured or black and white. The photograph should be in white background and 80 per cent face (without mask) should be visible. The image file should have been in JPG or JPEG format and within 200 KB dimension.