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

Indian Institutes of Science Education and Research Entrance Exam 2025 ( IISER Entrance Exam )

Ishita Chauhan
Updated on Sep 16, 2025 13:04 IST

By Ishita Chauhan, Retainer

IISER Entrance Exam Application Form 2025 was out on the official website on March 10, 2025. Candidates who wish to get admission to the BS-MS/ BS/ BTech degree programmes were required to register online by filling out the IAT 2025 application form. 

All the selected candidates' exam city preferences, educational details, information, document upload, and IISER registration fee 2025 submission are completed through the IAT 2025 registered account made by the candidates on the official website. The end date for filling out the IAT registration form 2025 was April 15, 2025.

Before filling out the IISER registration form 2025, candidates are advised to go through the IISER Eligibility Criteria 2025, in order not to lose their candidature at any stage of the IAT Admission process 2025. Candidates will also get the opportunity to edit the incorrect details filled in the IISER Entrance Exam 2025 registration form. 

Latest Updates: 

Table of content
  • How to apply for IISER 2025 Entrance Exam
  • IISER 2025 Important Dates Table
  • IISER Entrance Exam 2025 Eligibility Criteria
  • IISER Exam 2025 Application Form; Documents Required
  • How to Edit IAT 2025 Application Form
  • IISER Entrance Exam Application Form 2025 FAQs
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How to apply for IISER 2025 Entrance Exam

Candidates can fill IISER entrance exam 2025 application form in online mode as per the steps mentioned below:

1. Register at IISER Admission Portal

Primarily, candidates need to register themselves at IISER admission 2025 portal which is https://iiseradmission.in/. For the same, candidates need to sign up using their name (as specified in Class 12 mark sheet), a valid email ID, and a password. After the signup, a verification email will be sent to candidates’ registered email IDs. On successful verification, candidates can log in to their accounts and proceed towards the next step of the application process.

2. Fill IISER Entrance Exam Application Form

Next, candidates can start filling the IISER entrance exam 2025 application form in online mode.

• Personal details such as name, date of birth, religion, category, disability status, guardian’s name, etc.

• Education details such as subject-wise marks secured in Class XII, name of the board, etc.

• Choice for IISER exam centre

• Preference for IISER campus

• Upload photo not larger than 2MB in size in png/ jpg/ BMP format

• Select Yes or No under the Float option

3. Pay IISER Entrance Exam Application Fee

Lastly, candidates need to pay the IISER entrance exam 2025 application fee in online mode through the secure payment gateway on the application portal.

The application fee for the General/OBC/NCL category is INR 2000, and for SC/ST/Kashmiri migrants/PwD, the application fee is INR 1000

Once the fee is successfully paid, candidates can log in to their accounts and download their application form. After downloading the form, candidates’ IISER entrance exam 2025 application process will be complete.

Candidates can check out the following video to get a better idea of filling out the IISER Entrance Exam 2024 Application form.

What's New?

For the academic session 2025-2026 IISER entrance exam 2025 will also provide admissions to the BTech course, which will be only offered at IISER Bhopal.

The page will provide all the necessary details regarding the IISER entrance exam application process, like how to fill out the application form, fees, important dates, eligibility criteria, and much more.

Q&A Icon
Commonly asked questions
Q:   What are the documents required for filling up the IISER 2025 entrance exam application form?
A: 

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.
Q:   What is the application fee for IISER Entrance Exam 2025?
A: 

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.

IISER 2025 Important Dates Table

Take a look at the table below for the complete schedule of IISER Entrance Exam 2025 exam

DatesPast Exam Dates
25 May ' 25

IISER Aptitude Test 2025

15 May ' 25

IISER Aptitude Test 2025 Hall Ticket

21 Apr ' 25 - 22 Apr ' 25

IISER Aptitude Test 2025 Correction Window

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IISER Entrance Exam 2025 Eligibility Criteria

To meet the eligibility criteria to appear for the IAT exam for BS-MS course admissions, aspirants must satisfy the below-mentioned requirements. 

  • The candidates must have passed the Class XII or equivalent level examination in 2023/ 2024 or 2025 from any board recognized by the Council of Boards of School Education in India COBSE.

  • Candidates must have taken at least three subjects among Biology, Chemistry, Mathematics and Physics during their Class XII (or equivalent) examination.

  • Candidates belonging to SC/ST/PWD are required to score a minimum of 55% marks in aggregate or equivalent grade in their Class XII (or equivalent) examination. Candidates belonging to other categories are required to score a minimum of 60% marks in aggregate or equivalent grade in their Class XII (or equivalent) examination.

NOTE: The students from the Jammu and Kashmir Board of School Education (JKBOSE), from Kashmir division/Winter Zone areas of Jammu division and the U.T. of Ladakh, who had appeared in their Class XII or equivalent level examination in Dec 2021, are also eligible to apply for the IAT 2025, provided they satisfy all the other eligibility criteria.

Nationality

To get eligible for the IISER Entrance Exam Exam, aspirants must abide by the following citizenship rules:

  • The candidate must be an Indian citizen.
  • The candidate can be a PIO. PIO stands for Person of Indian Origin. A PIO is a foreign citizen who has held an Indian passport or has parents, grandparents, or great-grandparents who were born and permanently resident in India. The Government of India launched the PIO Card Scheme in 1999 to make it easier for people to return to India. 
Q&A Icon
Commonly asked questions
Q:   Can I fill the IISER 2025 application form offline?
A: 

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.

Q:   What are the category Certificate requirements for OBC candidates while filling up IISER Entrance Exam 2025 application form?
A: 

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.
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IISER Exam 2025 Application Form; Documents Required

Here is the list of candidates required while filling out the IAT 2025 application form:

  • Class X certificate
  • Class XII (or equivalent examination).
  • If the class XII (or equivalent) marks sheet is not available now, then you can instead upload a signed declaration form - “DECLARATION BY THE CANDIDATE IN LIEU OF ELIGIBILITY EXAM CERTIFICATE/
    MARKSHEET”. Fill in the form, sign it, scan it and then upload. The scanned copies of the actual marks sheet must be uploaded on or before July 2, 2025, failing which you will not be allotted a seat in any of the IISERs.
  • Candidate's Photograph
  • Candidate's Signature
  • ID proof with photo (Aadhar card, driving license etc.)
  • Caste Certificate: Gen- EWS/ SC/ST.

Also Read: IISER Aptitude Test Physics Syllabus 2025: Check Topic Wise Complete Syllabus Here 

Q&A Icon
Commonly asked questions
Q:   What courses are offered at IISERs?
A: 
IISERs offer admission into courses leading to BSMS Dual Degree, and BS Degree (only at IISER Bhopal) Programs. Admissions are via IAT Channel, KVPY Channel and JEE Advanced Channel. Below are the programmes offered by IISERs: 1. Biological Sciences 2. Chemical Sciences 3. Earth & Climate Sciences/Earth & Environmental Sciences 4. Economic Sciences 5. Engineering Sciences (Chemical Engineering, Data Science & Engineering, Electrical Engineering & Computer Science) 6. Geological Sciences 7. Integrated & Interdisciplinary Sciences (Biological Sciences, Chemical Sciences, Mathematical Sciences, Physical Sciences) 8. Mathematical Sciences 9. Physical Sciences.
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How to Edit IAT 2025 Application Form

Only those candidates who have submitted the application form and paid the requisite application fee will be eligible to make the changes in the application form. If candidates made any mistake in IAT 2025 registration forms, they can correct it in the correction window. Here we have provided steps to correct the application form:

  • Click on "Sign In" tab or application form correction link.

  • Then click on the login button & enter user id and password.

  •  After login you can change specific details in IAT 2025 Application form.

  •  Save the changes and take the printout of the form for future uses.

Q&A Icon
Commonly asked questions
Q:   When will be the Portal opens to upload documents and freeze IISER preferences for IISER 2025 Admissions?
A: 

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.
Q:   How will I know that my IISER application form has reached the exam authorities?
A: 
Upon successful submission of the IISER online application form along with the exam fee, an automated email and SMS were sent to the registered email ID and mobile number of candidates. In case the application process was not submitted, but the application fee got debited, candidates were advised to contact IISER Exam conducting body or visit the official website for assistance for the application status. Even after three days if candidates did not receive the application confirmation, then they were advised to try and complete the IISER IAT 2023 application form.
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IISER Entrance Exam Application Form 2025 FAQs

Here are some FAQs on IISER Entrance Exam application form 2025:

Q&A Icon
Commonly asked questions
Q:   Does the passport-sized photograph have to be colored or black and white while uploading it in IISER 2025 application form?
A: 

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.

Q:   I have forgotten my IISER login password. How do I retrieve that?
A: 

In case candidates wish to reset the password, candidates will have to follow the steps given below:

  • Visit the IISER 2025 website

  • Click on the Log in tab

  • Click on 'Reset/Change Password' tab

  • A link will be mailed to the registered email id

  • Click on the link and change/reset the password

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IISER Entrance Exam Exam

Student Forum

chatAnything you would want to ask experts?
Write here...

Answered 2 months ago

With a 7,000 rank in the SC category, admission to any IISER (including newer campuses) is not possible as per 2025 cutoffs. Cutoff ranks for SC category in IISERs generally close between 125 (most competitive) and 750 (least competitive).

P

PRINCE MISHRA

Contributor-Level 7

Answered 2 months ago

IISER Berhampur cutoff 2025 for the BS + MS course across multiple specialisations stood at 3299 during the Round 1 cutoff for the students belonging to the General AI quota. So, considering the first-round cutoff rank, candidates must target to secure a rank up to 3299 and lower to improve their ch

...Read more

R

Rashmi Sinha

Contributor-Level 10

Answered 2 months ago

IISER Mohali cutoff 2025 has been released for different categories of students under the AI quota. For the General category, the cutoff rank for BS + MS admission across multiple specialisations was 1778. To view the category-wise ranks, refer to the table below:

CategoryBS + MS
General1778
OBC1358
SC520
ST263
EWS480
PWD50112

R

Rashmi Sinha

Contributor-Level 10

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