IISER Aptitude Test (IAT) 2026 will provide admission to the five-year integrated BS-MS, BS, and BTech degree programmes offered at seven IISER institutes and IISc Bangalore. To secure admission to these courses, candidates must appear for the entrance examination.

Based on previous years’ trends, the IAT 2026 notification is expected to be released in the fourth week of January 2026.

Candidates who meet the minimum IAT 2026 eligibility criteria will be able to fill out the registration form. Applicants are advised to carefully check the information brochure to ensure a hassle-free admission process.

The IISER 2026 registration process is tentatively expected to begin in online mode in the second week of March 2026. The IISER 2026 exam is likely to be conducted in the fourth week of May 2026. The examination will assess candidates’ domain knowledge, critical thinking, and analytical understanding of subjects such as Mathematics, Physics, Chemistry, and Biology through multiple-choice questions (MCQs). The exam will be held for a duration of three hours in online/CBT mode.

Check out this SciAstra News article to get complete information on the tentative IISER 2026 exam timeline, eligibility criteria, and preparation tips.

IISER 2026 Exam Dates

As per previous year trends, the IISER 2026 examination schedule is likely to follow a similar timeline. While the official dates will be confirmed through the notification, the tentative schedule is as follows:

IISER Entrance Exam Dates 2026

Event Date (Tentative)

IISER 2026 Exam Notification

Fourth week of January 2026

IISER Exam 2026 Registration Date

Second week of March 2026 to Third week of April 2026

IISER Admit Card 2026

Third week of May 2026

IISER Exam 2026

Fourth week of May 2026

IISER Provisional Answer Key 2026

Fourth week of May 2026

IISER Exam Student Response Sheet 2026

Last week of May 2026

IISER Final Answer Key 2026

Fourth week of June 2026

IISER Result 2026

Fourth week of June 2026

IISER Eligibility Criteria 2026

For a candidate looking for admissions in the courses offered through IAT 2026, one must satisfy the educational qualifications, age eligibility criteria, and other details. Check out the IISER Exam 2026 eligibility criteria from here:
Since the IISER 2026 eligibility criteria are yet to be released by the exam officials, for reference, candidates can check out the previous year’s eligibility.

Criteria

Details

Year of passing Class XII

Candidates who have passed their Class 12 in 2024, 2025, or 2026 or appearing from a science stream recognized by COBSE

Nationality

Open to Indian nationals, PIO/OCI holders, and Foreign Nationals.
Foreign applicants must upload an equivalence certificate issued by AIU unless their board is COBSE-recognized

Subject requirement

Candidates need to take at least three subjects among Biology, Chemistry, Mathematics, and Physics during Class XII or in science stream.

IISER Exam 2026 Test Series Launched

The SciaAstra team has recently launched a FOCUS test series, which will emphasise Full Online Controlled Understanding and Simulation, helping candidates experience the real-time environment of the IISER aptitude test 2026.

The IAT 2026 FOCUS mock test is designed based on the official exam pattern, and the difficulty level is determined through an in-depth analysis of previous years’ question papers. Candidates will get Unit-wise, Half-length, and Full-length test series, covering all chapters to assess their domain understanding, cognitive skills, and analytical abilities as per the IISER 2026 syllabus.

Attempt the IISER Exam 2026 Test Series to check your exam preparation level to get admissions to the IISERs, IISc and IIT Madras here:

IAT 2026 FOCUS Test Series

Buy Now

Read More: NEST 2026 Registration Starts Next Week; Check Required Documents & Steps Here

All About IAT Exam 2026
All About IAT Exam 2026