IISER IAT 2025 Major Changes - Check New Exam Pattern & Updates

IISER IAT 2025 Major Changes - Check New Exam Pattern & Updates

Samridhi MishraUpdated on 21 Apr 2025, 11:58 AM IST

IISER IAT 2025 Major Changes - Indian Institutes of Science Education & Research has introduced major changes to the IAT 2025 exam. The IISER aptitude test is conducted for admission to BS-MS, BS and B.Tech programmes. Aspirants of the IAT exam must know all the major changes for IISER IAT 2025. This year, the authority has introduced new courses, revised the eligibility and changed the IISER IAT seat matrix. Understanding the IAT major changes will help candidates plan their preparation strategy for the IISER IAT 2025. This year, the authority introduced new programmes through IAT and changed the IAT eligibility criteria.

This Story also Contains

  1. IISER IAT Major Changes 2025
  2. Changes to the IISER IAT 2025 Eligibility Criteria
  3. New Courses offers through IAT 2025
  4. Increase in IAT 2025 Seat Matrix
  5. Change in the IISER IAT Registration Dates 2025
IISER IAT 2025 Major Changes - Check  New Exam Pattern & Updates
IISER IAT 2025 Major Changes

The new courses are BS-MS in Computational and Data Sciences at IISER Kolkata, B.Tech in Chemical Engineering, Data Science & Engineering and Electrical Engineering & Computer Science at IISER Bhopal and BS in Economic and Statistical Sciences at IISER Tirupati. Moreover, the IISER registration date has also been revised. The IISER 2025 application form was available from March 10 to April 15, 2025. Applicants must check the updated eligibility criteria before applying online. Candidates can check the major updates for IISER IAT 2025 on this page.

IISER IAT Major Changes 2025

This year, major changes have been introduced for the IISER Aptitude Test 2025. Aspirants of the IISER IAT exam must stay updated on the major changes for IAT 2025. Careers360 has compiled the IAT major changes 2025 below to help understand all the latest updates around the exam.

Changes to the IISER IAT 2025 Eligibility Criteria

On March 1, 2025, the authority introduced the revised eligibility criteria for IAT 2025. The updated IAT eligibility criteria is as follows:

  • The IISER Admissions Board (IAB) has reinstated last year’s eligibility criteria regarding the year of passing Class XII (or equivalent) examination. This decision supersedes the criteria released on January 30, 2025.

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New Courses offers through IAT 2025

Three new programmes have been introduced for admission based on the IISER aptitude test 2025. These programmes have been introduced at specific campuses. Candidates can check the new programmes campus-wise below:

  • 5-Year BS-MS in Computational and Data Sciences at IISER Kolkata

  • 4-Year BS in Economic and Statistical Sciences at IISER Tirupati

  • 4-Year B.Tech. (in Chemical Engineering, Data Science & Engineering and Electrical Engineering & Computer Science) at IISER Bhopal

Syllabus
This IISER syllabus ebook thoroughly outlines the Physics, Chemistry, Mathematics, and Biology topics featured in the IISER Aptitude Test.
Download EBook

Note: To enroll into the 5-year BS-MS in Computational and Data Sciences at IISER Kolkata and the 4-year BS in Economic and Statistical Sciences at IISER Tirupati programmes, candidates must have mathematics as a subject in Class 12th (or equivalent).

Increase in IAT 2025 Seat Matrix

There is a change in the seat matrix for IISER IAT 2025. With the new courses introduced, the IISER IAT seat matrix has also increased. 140 seats have been added to the B.Tech course at IISER Bhopal. 50 seats have been added for BS in Economic and Statistical Sciences at IISER Tirupati and 30 seats have been added for BS-MS in Computational and Data Sciences at IISER Kolkata.

Change in the IISER IAT Registration Dates 2025

Earlier, the IISER IAT 2025 registration was set to commence on March 5, 2025. The IISER registration date was revised to March 10, 2025.

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Questions related to IISER Aptitude Test

On Question asked by student community

Have a question related to IISER Aptitude Test ?

Hello,

If you have uploaded the old EWS certificate (2024–2025) instead of the new one (2025–2026), there is a chance that it may not be accepted, as the IISER notification clearly asks for the valid and updated EWS certificate for the year 2025–2026.

Right now, if the correction window is closed, you won’t be able to change it. But don’t worry too much. Once the results are out and before the counselling starts (before 16 June), there is usually a document verification process. You may get a chance to upload the correct and updated certificate during that time.

Just make sure you get the 2025–2026 EWS certificate ready as soon as possible, so if they allow updates before counselling, you can upload the correct one.

Hope it helps !

Hello,

If you have selected OBC-NCL category and uploaded a Central OBC-NCL certificate , then there is no issue .

IISER accepts Central OBC-NCL certificate , as long as it is valid and issued by a competent authority. Just make sure the certificate is:

  • Issued within one year from the application date.

  • Clearly mentions OBC-NCL and your caste is in the central list .

If these points are okay, then your form is fine.

Hope it helps !

Hello aspirant,

Applicants must take either the JEE Main or JEE Advanced exam in order to be considered for admission to the best engineering institutes in India. JEE Advanced and Main are administered by separate bodies. Because the JEE Advanced exam is more difficult than the JEE Main exam, candidates who are prepared for it have an advantage.

To know the complete preparation strategies, you can visit our website by clicking on the link given below.

https://engineering.careers360.com/articles/how-should-preparation-strategies-differ-for-jee-main-and-jee-advanced

Thank you

Hope this information helps you.

Hello reader,

Last year that is 2023 around 9.5 lakh students attempted for jee mains round one, while 8.6 lakh students attempted for jee mains round two. Across both the sessions around 12 lakh students sat for the jee mains exam in year 2023.

Hey there,

Which exam are you talking about? Please provide the proper information in your question so that we can help you with your query.

Since I found your question in the Engineering section, I guess you are asking about the engineering exam (JEE Exam). Let me tell you about the JEE exam:

Through the JEE exam, you can access all the undergraduate courses in the engineering domain. You can get admission into engineering courses like B.Tech in Computer Science Engineering, B.Tech in Electronics and Communication, B.Tech in Electrical Engineering, B.Tech in Mechanical Engineering, B.Tech in Civil Engineering, and many more. This exam allows you to get admission into the top engineering colleges in India like IITs, NITs, GFTIs, etc.

I hope this information helps you. If you need more information about anything, please share your queries with us.