IISER 2025: Entrance Exam Date, Application, Eligibility, Pattern

IISER has revised the registration dates for the IISER Aptitude Test (IAT) 2025. As per the updated schedule, the IISER Entrance Exam 2025 application form will be available from 10 March. Initially, it was scheduled to be released on 5 March 2025. The IAT 2025  exam is the gateway for securing admission to the integrated BS-MS, BS, B Tech or M-Tech degrees offered by 7 IISERs, including IISc Bangalore and IIT Madras.

Last date to apply for IISER Entrance Exam 2025 is scheduled for 15 April. This has given potential applicants more time in which to finalize their applications. The authority has also notified the IISER Exam Date 2025. It is scheduled for 25 May, and it will be conducted via computer-based mode.

Besides, the exam authority has revised the IAT 2025 Eligibility Criteria. The candidates must have passed Class HSC/12^th  (or equivalent) in 2022, 2023, or 2024 from a recognized board. Furthermore, the applicants must have appeared in a minimum of three subjects out of Biology, Chemistry, Mathematics, and Physics in their Class 12^th exams. The General and OBC candidates will need a minimum aggregate of 60%, while SC/ST/PwD applicants will require at least 55%.

Furthermore, New courses have been added for the IISER academic session 2025-2026. IISER Tirupati has added a 4-year BS course in Economic and Statistical Sciences. In contrast, IISER Bhopal has revamped its offerings by substituting the earlier BS degree in Engineering Sciences with B.Tech courses in Chemical Engineering, Data Science & Engineering, and Electrical & Computer Science Engineering.

Students are invited to read these updates attentively to verify that they qualify for the requirements and know the new courses offered.

IISER Entrance Exam 2025 Dates

Candidates who are interested in getting admission to the IISERs through IAT must be aware of all the important dates. IAT 2025 Registration will begin from 10 March 2025. Whereas, IAT Exam 2025 Registration's last date is 15 April 2025. Registration on time is essential. So check the dates to miss out on the final dates.

Events	Dates
IISER Exam 2025 Registration date	10 March 2025
IISER Exam 2025 Registration last date	15 April 2025
IISER Exam 2025 application correction	21 to 22 April 2025
IISER Exam 2025 Admit Card	15 May 2025
IISER Entrance Exam Date 2025	25 May 2025
IISER Exam 2025 Answer Key	May 2025
IISER Exam 2025 Result Date	June 2025

IISER Entrance Exam 2025 Eligibility Criteria

In order to apply for the IISER Exam 2025, the candidates have to fulfil the following eligibility conditions:

Nationality:

• The candidates should be citizens of India, Overseas Citizens of India (OCI), or Persons of Indian Origin (PIO).
• Foreigners are also eligible but have to submit an equivalence certificate issued by the AIU in case their qualifying examination is not recognized by the Council of Boards of School Education in India (COBSE).

Educational Qualification

• The applicants shall have passed their 12^th or equivalent exam in the science stream in 2023, 2024, or 2025 from a COBSE recognized board.
• They must have studied three subjects: Biology, Chemistry, Mathematics, and Physics.

Minimum Marks to be eligible for the IISER Entrance Exam 2025:

• General, OBC and EWS categories must have a minimum aggregate of 60%
• Whereas SC, ST, and PwD candidates must have a minimum of 55% in Class XII (or equivalent) exam.

How to apply for IISER Entrance Exam 2025 Online?

To register for IISER IAT 2025, follow the steps mentioned below:

Step 1: Register on the IISER Admission Portal

• At first, applicants are required to visit the official web page of IISER.
• Then, click on the "IISER Aptitude Test (IAT) Registration Link."
• Candidates are required to register by using their Name, Email ID, which is valid and password.
• Upon signup, a verification Email will be sent to the registered Email ID.
• Upon successful verification, candidates are required to login into their registered account by using the generated credentials.

 

Step 2: Fill in the application form

• After successful login, candidates can access the IISER Exam application form 2025.
• Enter the personal information like DOB, Gender, Category and Contact Number.
• Then, provide the academic qualification details and subjects which you have studied in 12^th class and enter the marks you have obtained.
• Choose the preferred exam centres where you would like to appear for the exam.
• Also, indicate your preferred IISER Campus and Courses.

Step 3: Upload the Documents

• You need to upload a scanned image of a recent passport-size photo in JPG, PNG or BMT format. Makesure the uploaded file should not exceed 2MB above.
• Then, upload the scanned image of the signature.

Step 4: Make the Payment of IISER Exam Application Fees

• In this step, pay the IISER Entrance Exam fees for 2025. It varies for each category. And payment process can be completed online.
• Candidates belonging to General, OBC and EWS have to pay INR 2000/-
• PwD SC, ST and Kashmiri Migrants have to pay INR 1000/-

Step 5: Review and Submit the form

• After finishing all the steps, review the application form carefully.
• Submit it within a deadline. After submission, take the printout of the same and keep it for reference. It might help in future.

IISER Entrance Exam Pattern 2025

According to the IAT Exam Pattern 2025, it will comprise multiple-choice questions in four subjects: Biology, Chemistry, Mathematics, and Physics, and each subject has 15 questions. 4FF marks are given for every precise response, and 1 mark is deducted for every wrong response. Unanswered questions do not make any impact on the marks.

Exam mode	Online
Duration	3 hrs
Exam Medium	English
Total Marks	240
Subjects	Biology, Chemistry, Mathematics, Physics

Check out the IISER Entrance Exam 2025 Marking Scheme:

Subject	No of questions	Marks
Biology	15	60
Chemistry	15	60
Physics	15	60
Mathematics	15	60
Total	60	240

IISER Entrance Exam 2025 Cutoff

IISc Bangalore has announced the cutoff ranks for the IISER Aptitude Test (IAT) 2025. To be eligible for admission in IISc Bangalore through IAT 2025, candidates are required to satisfy the cutoff. For example, A general category candidate should score within 38, and a General Female candidate should be of rank 94 or lower. Also, EWS candidates require a rank of 13 or below, and so on. Following is an IISc Bangalore cutoff 2025 ranks based on category:

Category	Cutoff Rank
General	38
General Female	94
EWS	13
EWS Female	32
OBC-NCL	35
OBC-NCL Female	56
SC	30
SC Female	61
ST	46
ST Female	69
Persons with Disabilities (PWD)	20
Kashmiri Migrants (KM)	4