IAT 2026 Notification will be released by the IISERs in the fourth week of January 2026, tentatively. IISER 2026 exam will be conducted to provide admissions to the BS-MS/BS/BTech degree courses at seven IISER institutes, IIT Madras, and IISc Bangalore. In order to appear for the exam, interested candidates need to fill out the IISER 2026 application form and submit the registration fees in the mentioned timeline.
Candidates are advised to check out the IISER eligibility criteria 2026 before applying. The exam will be held to test the candidate’s domain knowledge in Maths, Physics, Chemistry and Biology from the specified IISER 2026 syllabus by the exam officials. Check out this SciAstra exam page for the complete details on IISER 2026 admission process, eligibility, pattern, syllabus, and IAT 2026 exam dates here:
Table of Contents
IAT 2026 Highlights
Before starting the IISER 2026 preparation, candidates are advised to check out the important key features of the IISER entrance exam 2026 from here:
| Features | Details |
|---|---|
| Exam Name | IISER Aptitude Test (IAT), IISER Entrance Exam |
| Exam Organizing Institute | One of the IISERs |
| Exam Level | Graduate 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 Questions (60 questions) |
| IAT Negative Marking Scheme | -1 mark for incorrect, +4 marks for correct |
| Official Website | https://iiseradmission.in/ |
What is IAT 2026 Admission Process?
In order to have hassle-free admission to the courses offered, a candidate must be completely aware of the IISER 2026 admission process. Basically, the admission process is combined with all the events or the timeline right from making the registrations till the counselling process, where a candidate is allotted a seat.
IISER Aptitude Test admission process is further divided into three stages, namely,
1. IISER Pre- Exam Events
2. IISER Exam Events
3. IISER Post Exam Events
IAT 2026 Exam Dates
Since IAT 2026 admission dates are yet to be announced by the exam officials, candidates can check out the previous year’s dates from here for reference:
| IISER Entrance Exam Dates 2026 | Event Date (Tentative) |
|---|---|
| IISER 2026 Exam Notification | Jan 25, 2026 – Jan 31, 2026 |
| IISER Exam 2026 Registration Date | March 10, 2026 to April 15, 2026 |
| IISER Admit Card 2026 | May 15, 2026 |
| IISER Exam 2026 | May 25, 2026 |
| IISER Provisional Answer Key 2026 | May 25, 2026 |
| IISER Exam Student Response Sheet 2026 | May 29, 2026 |
| IISER Final Answer Key 2026 | June 24, 2026 |
| IISER Result 2026 | June 24, 2026 |
IISER 2026: Courses Offered & Seat Intake
Candidates who are interested in appearing for the IISER aptitude test for academic session 2026-2027 will be offered three types of courses at IISER institutes, IIT Madras and IISc Bangalore. Candidates can check out the programmes offered through IAT exam from here:
1. 5 year BS-MS dual degree programme
2. 4 Year BS degree programme
3. 4-Year BTech (Data Science & Engineering and Electrical Engineering & Computer Science, Chemical Engineering)
| Programme Specialization | Campus | Seat Intake |
|---|---|---|
| BS‑MS Programme | IISER Berhampur | 300 |
| IISER Bhopal | 300 | |
| IISER Kolkata | 280 | |
| IISER Mohali | 270 | |
| IISER Pune | 288 | |
| IISER Tirupati | 350 | |
| IISER Thiruvananthapuram | 320 | |
| B.Tech. / BS Programme | IISER Bhopal (B.Tech.) | 140 |
| IISER Bhopal (BS in Economic Sciences) | 35 | |
| IISER Tirupati (BS in Economic & Statistical Sciences) | 50 | |
| IISER Kolkata (BS‑MS in Computational & Data Sciences) | 30 | |
| Total Seats Across Programmes | 2,363 | |
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 2026 Application Form
| Category | IISER Application Fee |
|---|---|
| General / OBC-NCL | Rs 2,000 |
| SC / ST / Kashmiri Migrants / PwD | Rs 1,000 |
IISER Exam Pattern 2026
As per IAT 2026 exam pattern, the exam officials will test the candidates knowledge in the concerned subject in the form of multiple-choice questions (MCQs). There will be a total of 60 MCQ questions that the examiners ask, with 16 questions from each section, namely, Physics, Chemistry, Mathematics, and Biology.
The IISER 2026 exam will be held in online mode/computer-based for a duration of three hours, or 180 minutes. According to the IISER 2026 shift timings, the exam will be conducted in one shift, the morning shift from 9 AM to 12 PM.
IISER Syllabus 2026
IISER Admit Card 2026
Candidates who had earlier successfully filled out the registration form and paid the application fee will only be able to download the IAT Admit Card 2026. It is anticipated that the exam officials will release the IISER Hall Ticket 2026 in the second week of May 2026 in online format, and candidates will be able to download the admit card PDF by logging in to their registered accounts.
The IAT Hall Ticket 2026 will contain important information, including the candidate’s name, roll number, photograph, exam date, shift timing, and exam centre address details.
IISER 2026 Exam Analysis
Test takers will take the IISER entrance exam 2026 for getting admission to the courses offered. The exam officials will test the candidate’s critical, analytical, and practical knowledge from subjects like mathematics, physics, chemistry, and biology from the specified IAT 2026 syllabus.
Based on the reactions and exam difficulty received from the test takers, the IISER exam analysis 2026 will be provided here by the SciAstra team. After analyzing the IISER question paper 2026, the exam analysis, difficulty level, and safe score will be provided here.
IISER 2026 Answer Key
IAT Answer Key 2026 is released by the exam officials on the same day after the successful conduct of the examination. The answer key carries the correct answers for the questions asked in the IISER 2026 exam.
At first the exam officials will release the IISER 2026 provisional answer key, which is subject to raise objections. Based on the objections received by the candidates against the answer earlier provided, if found valid, the same question will get dropped. Corrections will be done in the provisional answer key, and the exam officials will later release the IISER 2026 final answer key.
IISER Result 2026
IISER 2026 result is anticiapted to be released in the fourth week of June 2026. The exam officials will compile the result based on the IISER final answer key 2026. Once the result is released, candidates are no longer to raise any objections.
The exam officials will issue the IAT rankcard 2026 in the form of results where the candidates will be given AIR/category ranks. Test takers will be able to tally their IAT 2026 scorecard by downloading their student response sheet and comparing it with the IISER final answer key. The IISER 2026 Rankcard will help the candidates to enrol in the counselling rounds conducted by various IISER participating institutions.
IAT Counselling 2026
In order to take admission to the BS-MS/BS/BTech courses offered at IISER institutes, test takers need to participate in the IISER counselling process 2026. Rank holders need to fill out the IISER Counselling registration form in the timeline mentioned. It is anticipated that the IAT counselling 2026 will start in the fourth of June 2026.
Candidates must note that IISER 2026 counselling is done for admissions to the seven IISER institutes only. However, the exam was held to provide admissions to the IISc Bangalore, IIT Madras, and IISER Institutes. Candidates who wish to take admissions to IISc and IIT Madras need to fill the counselling form separately by visiting their official websites.
IISER Seat Allotment List 2026
The exam officials will release IISER 2026 seat allotment list once the candidates complete the counselling registration process.
IISER seat allotment list 2026 depicts the rank range in the form of opening and closing ranks for the courses offered based on the seat intake. Here, candidates must note that based on the seats that remain vacant, the exam-conducting authority releases multiple rounds of IISER 2026 seat allotment lists.
The IISER 2026 opening and closing ranks of each participating institute of IAT 2026 will vary. Also, the conducting authority will release the IAT 2026 seat allotment list category-wise.
Also Read: IAT Seat Allotment 2026
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