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Register for IAT at IISER: Application Link Is Active

IISER IAT 2026 Registration

Synopsis:

An autonomous institution, the Indian Institutes of Science Education and Research, has invited applications for its national-level entrance examination. The online application process opened on March 5, 2026, and the last date to apply is April 13, 2026. Students currently pursuing Class 12 or who have already completed it are eligible to appear for the IISER Aptitude Test (IAT). Candidates who qualify in the IAT can pursue 4-year undergraduate science & engineering programs or the integrated 5-year BS-MS science program offered by IISERs, designed to build strong careers in scientific research and innovation. Hurry up! Do not miss this opportunity to appear for this prestigious national-level examination to excel in a high-future career.


Important note:

A student must remember that their IAT performance must be unique, as their selection doesn't consider JEE Main scores, even if they scored well on JEE Main. The lines below explain the basic parameters, including eligibility criteria, important dates for the IAT exam, subject eligibility, and steps to complete the application. It includes the key components of IAT& Important links for reference. In addition, general information about IISER.    


Eligibility Criteria: 

  1. Candidates appearing for IAT 2026 should have passed Class 12 or an equivalent, or a three-year diploma program in the science stream, in 2024, 2025, or 2026. The students should belong to the streams of Biology, Physics, Chemistry, and Mathematics. 

  2. The participating candidate in the exam must have scored an aggregate of 60 per cent for the General category and must have obtained 55 per cent for SC/ST/PwD candidates in their class 12 and class 10. 

  3. The qualified candidates from the IAT exam can seek admission to institutions in Berhampur, Bhopal, Kolkata, Mohali, Pune, Thiruvananthapuram, and Tirupati. 

Important dates and events for the IAT examination 

Important events

Important dates 

Application Portal Opens

05-Mar-26

Application Portal Closes

13-Apr-26

Application Correction Window

April 16–18, 2026

Hall Ticket Release  

24-May-26

IAT 2026 Examination

June 7, 2026 (9:00 am – 12:00 pm IST)


The IAT examination follows a predefined schedule: the application portal opened on March 05, 2026, and will conclude on April 13, 2026. The application correction window will be for two days, April 16 to 18, 2026, and the hall ticket release will be on May 24, 2026. The IAT-2026 exam is scheduled on June 7, 2026, between 09:00 am and 12:00 pm.


Key components of IAT 2026:

  1. The candidate shall be taking a computer-based test (CBT). It shall be for a duration of 3 hours (09:00 am to 12:00 pm), and the total number of questions will be 60, of which physics (15), chemistry (15), mathematics (15), and biology (15). 

  2. The candidate must be careful in making guesswork on answers, as it shall attract negative marking (-1), correct marking (4), and for unattempted (0). The total number of marks shall be 240. 

  3. The candidate will have to remit a nominal fee of INR 2,000 for the Gen/OBC category and INR 1,000 for the SC/ST/PwD & KM categories. 

Simple Steps to enrol for the IISER admission 2026 test: 

  1. An interested candidate must enter the IISER web portal at www.iiseradmission.in to enrol in the IISER application. 

  2. The candidate must click on the 'Apply for IAT-2026' enrollment link on the homepage. 

  3. The candidate must register to generate a User Id and password. 

  4. The candidate must complete the application form, upload the required documents, and then pay the application fee. 

  5. Caution:

    1. The candidate must enter the details correctly, as some information may not be editable after submission on the website. 


Important links for Reference:

  1. The candidate can seek access to notifications released by IISER on this page. Click here

  2. The candidate can have a complete, detailed picture of the IAT syllabus. Click here

  3. Before appearing for the final examination online, the candidate can experience a real-time simulation test. Click here

  4. After obtaining their ranks, the candidates can find complete information about the admission process on this page. Click here

General Information about IISERs

  1. In India, Berhampur, Bhopal, Kolkata, Mohali, Pune, Thiruvananthapuram, and Tirupati are the most prominent locations where the government of India has established IISERs to promote interdisciplinary science education and research. 

  2. The institution has clear goals: it aims to enable students to conduct scientific research and implement sustainable solutions to societal problems. 

  3. Over the years, IISER has created significant intellectual property value through its publications and patents. 

Summary:

Yet another stream of study designed and developed by the government of India, known as the Indian Institute of Science Education and Research (IISER), for those who want to dwell on science education and research. IISER is a great place for aspirants who like to reign in science and its interdisciplinary applications, with a greater emphasis on scientific research to solve societal problems. The institution conducts an aptitude test known as IAT at the entry level. It is a national-level examination that involves 10+2 students in Bachelor's and integrated courses in cross-curriculum streams.

Frequently Asked Questions

Besides marking schemes, the factors that influence the ranks are the total scores, the tie-breaking policy, and the category rank.

To know the approximate marks of the IAT in 2026, the inference of 2025 is under consideration. An aspirant having scored: 200-plus marks | rank from 1 to 80 | Between 160 and 200 marks | rank from 81 to 200| Between 110 and 160 marks | rank from 201 to 800| Between 95 and 110 marks | rank from 801 to 1500| Below 95 marks | Rank from 1500 and more|

The following issues affect the IAT ranks every year: the difficulty level of questions, the total number of candidates appearing for the IISER exam, and seat availability.