The IAT 2026 exam date has been announced at iiseradmission.in. The exam/test will be conducted on June 7, 2026. The application process for the exam will start on March 5, 2026, on the official exam website. SciAstra will provide the direct link to fill out the IAT 2026 application form once it is released.

All aspirants aiming to apply for the IISER Aptitude Test (IAT) in 2026 must check the changes related to the test that the test authorities have introduced for this session. This approach will help them stay informed about all the aspects related to the admission process.

This SciAstra article highlights changes related to the list of IAT 2026 participating institutes, courses, seat matrix, pattern and syllabus. So, read on!

IAT 2026 Overview

The application process for IAT 2026 will remain live from March 5 to April 13, 2026, at iiseradmission.in. Before proceeding with the application process, candidates must be aware of the important details related to the test. These details are mentioned below:

Features

Details

Exam Name

IISER Aptitude Test (IAT), IISER Entrance Exam

Exam Organising Institute

One of the IISERs

Exam Level

Undergraduate Level

Courses Offered

  • 5 year BS-MS dual degree

  • 4 year BS degree

  • 4 year BTech degree

Exam Mode

Online

Exam Frequency

Once a year

Registration Fee

Gen/OBC/OBC-NCL/EWS - INR 2,000

SC/ST/KM/PwD - INR 1,000

Type of Question

Multiple Choice Question (60 questions)

IAT Marking Scheme

  • Each correct response = +4 marks

  • Each incorrect response = -1 marks

  • Each unttempeted question = 0 mark

Official Website

https://iiseradmission.in/

Also Read:

IAT 2026 Dates

The IAT 2026 information brochure will be released soon on the official IAT exam website. The notification for the test has been released. Check out the IAT 2026 dates as mentioned in the notification:

Event Name

Dates

IISER 2026 Notification

February 7, 2026

IISER Aptitude Test Application Form 2026

March 5, 2026 - April 13, 2026

IISER Aptitude Test Application Correction Window

April 13, 2026 to April 15, 2026

IISER Aptitude Test Admit Card 2026

May 24, 2026

IISER Exam 2026 (IISER Aptitude Test 2026)

June 7, 2026

IISER Provisional Answer Key 2026

The same day after the exam (Expected)

IISER Final Answer Key 2026

Third week of June 2026 (Tentative)

IISER 2026 Result

Fourth week of June 2026 (Tentative)

IAT 2026 Counselling

July 2026 (Tentative)

Also Read:

IAT 2026 Participating Institutes

The IAT 2026 will be conducted for admission to UG courses offered by seven IISERs and IISc Bangalore. The list of IAT 2026 participating institutes is mentioned below:

IAT 2026 Participating Institutes

Cities and States

Official Websites

IISER Berhampur

Berhampur, Odisha

https://www.iiserbpr.ac.in/ 

IISER Bhopal

Bhopal, Madhya Pradesh

https://www.iiserb.ac.in/ 

IISER Kolkata

Kolkata, West Bengal

https://www.iiserkol.ac.in/ 

IISER Mohali

Mohali, Punjab

https://www.iisermohali.ac.in/ 

IISER Pune

Pune, Maharashtra

https://www.iiserpune.ac.in/ 

IISER Thiruvananthapuram

Thiruvananthapuram, Kerala

https://www.iisertvm.ac.in/ 

IISER Tirupati

Tirupati, Andhra Pradesh

https://www.iisertirupati.ac.in/ 

IISc Bangalore

Bangalore, Karnataka

https://iisc.ac.in/

Is IISc Bangalore participating in IAT 2026?

As of now, there is no mention of IISc Bangalore in the list of IAT 2026 participating institutes on the official IAT exam website.

Here candidates need to note that the complete list of the institutes accepting admissions through IAT 2026 has not been updated on the official website – iiseradmission.in. This will be updated under the “IAT for Other Institutes”. This option is available under the “Aptitude Test” menu as shown below:

IAT 2026 Institutes

IAT 2026: Changes in Course Offerings

IISER Mohali has added two new courses, admission to which will be conducted through IAT 2026. These two courses are listed below:

  • 5-Year BS-MS in Geology at IISER Mohali

  • 5-Year BS-MS in Environmental Sciences at IISER Mohali

The complete list of courses which are being offered through IAT 2026 are mentioned as follows:

IAT 2026 Courses

Course

Institute Offering the Course

5-Year BS-MS

All IISERs

5-Year BS-MS in Computational and Data Sciences

IISER Kolkata

5-Year BS-MS in Geology

IISER Mohali

5-Year BS-MS in Environmental Sciences

IISER Mohali

4-Year BS in Economics Sciences

IISER Bhopal

4-Year BS in Economic and Statistical Sciences

IISER Tirupati

4-Year BTech in Engineering Science

IISER Bhopal

4-Year BTech in Data Science & Engineering

IISER Bhopal

4-Year Bachelor of Science (Research) Programme

IISc Bangalore

Also Read:

IAT 2026: Changes in Number of Seats

There are changes in the IAT 2026 seat matrix. The number of seats at IISER Tirupati has increased to 350. Earlier, the total number of seats at the institute was 250.

IISER Bhopal has reduced the number of seats for BTech in Engineering Sciences to 115. Earlier, the total number of seats for the programme was 140.

IISER Bhopal has increased the number of seats for BS in Economic Sciences to 55. Earlier, the number of seats for the programme was 55.

IAT 2026 Seat Matrix (Updated)

Check out the updated seat matrix for IAT 2026 participating institutes below:

IAT 2026 Seat Matrix for BS-MS Courses

IISER 2026 BS-MS Seat Intake

IISER

Number of Seats

IISER Berhampur

300

IISER Bhopal

300

IISER Kolkata

280

IISER Kolkata (BS-MS in Computational and Data Sciences)

30

IISER Mohali

270

IISER Pune

288

IISER Tirupati

250

IISER Thiruvananthapuram

320

Total

2038

IAT 2026 Seat Matrix for BS & BTech Courses

IISER 2026 BS/BTech Seat Intake

IISER

Number of Seats

IISER Bhopal (BTech in Engineering Sciences)

115

IISER Bhopal (BTech in Data Science and Engineering)

80

IISER Bhopal (BS in Economics Sciences)

55

IISER Tirupati (BS in Economic and Statistical Sciences)

50

Total

300

Also Read:

IAT 2026 Seat Matrix (Complete Details)

IAT 2026 Exam Pattern

There are no changes in the IAT 2026 exam pattern. As per the latest exam pattern details, IAT 2026 will be conducted as a computer-based test in various centres across India.

IAT will consist of 60 questions, 15 questions each from Biology, Chemistry, Mathematics, and Physics.

The total duration of the test will be 180 minutes. Questions will be of the multiple-choice type. Each question will have only one correct answer.

  • Each correct answer will be awarded 4 marks.

  • Each incorrect answer will lead to the deduction of 1 mark.

  • Unanswered questions will be awarded 0 mark.

Therefore, maximum marks in IAT will be 240.

The total marks obtained by a candidate out of 240 will be considered for preparing the Rank List.

IAT 2026 Syllabus

The IAT 2026 will broadly follow the rationalised NCERT syllabus (2025-2026) of Classes 11 & 12 for Physics, Chemistry, Biology and Maths. There are no changes in the syllabus of the test in 2026.

Check out the IAT 2026 syllabus PDF below:

IAT 2026 Syllabus

IAT 2026 Syllabus

Conclusion

In conclusion, IAT 2026 brings notable updates in participating institutes, course offerings, and seat distribution, while the exam pattern and syllabus remain unchanged. Aspirants must carefully review these changes to plan their applications and preparation effectively for securing admission to their preferred IISER programmes.