IISER Aptitude Test (IAT) 2026 will be conducted on June 7, 2026 for admission to five-year BS-MS degree, a four-year BS degree and a BTech degree offered by IAT 2026 participating institutes (IISERs and IISc Bangalore). Candidates who have a keen interest in science education and research can apply for the test.
To take the IAT 2026 exam, candidates will have to fill out the IAT Application Form 2026. The application form will be released on March 5, 2026 at iiseradmission.in. The last date to apply for IAT 2026 is April 13, 2026.
IACS Kolkata, IIT Guwahati, and IIEST Shibpur have been added to the list of IAT Participating Institutes in 2026. The courses offered by these institutes through IAT are mentioned below on this page.
All the official details regarding the admission process for IAT 2026 participating institutes will be released along with the exam/test notification. IAT 2026 Notification has been made available on February 7, 2026 at iiseradmission.in.
To ensure a smooth admission process and understand the eligibility criteria, including age limit, nationality, and subject combinations in Class 12, candidates must go through the IAT 2026 eligibility details carefully.
Interested applicants will be able to fill out the IISER 2026 application form and submit the registration fee within the specified timeline. The IISER Aptitude Test 2026 will be conducted in online (CBT) mode for a duration of three hours to assess candidates’ domain knowledge. The exam will consist of multiple-choice questions (MCQs) from Mathematics, Physics, Chemistry, and Biology.
Check out this SciAstra exam page for complete details on the IISER 2026 admission process, eligibility, exam pattern, syllabus, and IAT 2026 exam dates.
Latest Update:
IAT 2026 Changes in Courses, Seats, Syllabus & More
IAT 2026 to be held on June 7; Application Starts on March 5; Check New Updates & Eligibility Here
What is the IISER Eligibility Criteria 2026 for Foreign Nationals?
Candidates who are not citizens of India AND do not hold OCI/PIO cards shall be considered as foreign nationals.
Such candidates are eligible to appear for IAT 2025. The applicants need to upload an equivalence certificate issued by the Association of Indian Universities unless they have passed the Class XII or equivalent level examination in 2023 or 2024 or 2025 from any board recognized by the Council of Boards of School Education (COBSE) in India.
The equivalence certificate must be uploaded while submitting the IAT 2025 Application Form under ”Please upload a copy of document supporting your claim of Foreign National (You’ll need to produce original when necessary)”.
IISER Aptitude Test (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 (IISER Aptitude Test 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 |
Exam Mode | Online |
Exam Frequency | Once a year |
Registration Fee | Gen/OBC/OBC-NCL/EWS – INR 2,000 |
Type of Question | Multiple Choice Questions (60 questions) |
IAT Negative Marking Scheme | -1 mark for incorrect, +4 marks for correct |
Official Website |
What is IISER Aptitude Test (IAT)?
The IISER Aptitude Test (IAT) is a national-level entrance exam conducted for admission UG courses offered by Indian Institutes of Science Education and Research (IISERs).
The courses offered through IAT are the following:
Course | IISER Campus |
5-Year BS-MS (Dual Degree) programme | All IISERs |
5-Year BS-MS (Dual Degree) programme | IISER Kolkata |
4-Year BS Degree programme in Economic Science | IISER Bhopal |
4-Year BS Degree program in Economic and Statistical Sciences | IISER Tirupati |
4-Year BTech in Chemical Engineering | IISER Bhopal |
4-Year BTech in Data Science & Engineering | IISER Bhopal |
4-Year BTech in Electrical Engineering & Computer Science | IISER Bhopal |
When will IAT 2026 Application Form be released?
The IAT 2026 application form will be released on March 5, 2026 on the official website of IAT 2026 - iiseradmission.in. The application form will only be available online and candidates should always fill it out on the official website.
In order to fill out the IAT 2026 application, candidates need to first create a candidate registration account, fill out the application form, and pay the application fee.
Also Read:
IAT 2026 Participating Institutes
How to fill out IAT 2026 Application Form
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 |
|---|---|
IISER 2026 Exam Notification | February 7, 2026 |
IISER Exam 2026 Registration Date | March 5, 2026 to April 13, 2026 |
IISER Aptitude Test 2026 Application Correct | April 13, 2026 to April 15, 2026 |
IISER Admit Card 2026 | May 24, 2026 |
IISER Exam 2026 | June 7, 2026 |
IISER Provisional Answer Key 2026 | May 25, 2026 (Tentative) |
IISER Exam Student Response Sheet 2026 | May 29, 2026 (Tentative) |
IISER Final Answer Key 2026 | June 24, 2026 (Tentative) |
IISER Result 2026 | June 24, 2026 (Tentative) |
Also Read:
How to prepare for IAT in 3 months
How to prepare for IAT 2026 Biology section
When will IAT 2026 Notification Releasing?
The IAT 2026 exam officials have released the IISER 2026 exam notification on February 7, 2026 at iiseradmission.in. The information brochure for the test has not been released yet.
As per the notification, the IAT 2026 application will remain open from March 5 to April 13, 2026 at iiseradmission.in. After the conclusion of the application process, candidates will be able to amend details in their application form during the IAT 2026 Application Correction Window from April 13 to April 15, 2026 on the mentioned official website.
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 (BTech) | 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 | |
Other Institutes Offering Admission through IAT 2026
In 2026, IIT Madras, IACS Kolkata, IIT Guwahati, and IIEST Shibpur are also accepting admissions through IISER Aptitude Test. The courses offered by these institutes are mentioned below:
S. No. | Name of the Institution | Courses Offered through IAT 2026 |
1 | IIT Madras | 4-Year Bachelor of Science (BS) Program |
2 | IIT Guwahati | Biomedical Science and Engineering (BMSE) Program |
3 | IISc.Bengaluru | 4-Year Bachelor of Science (BS) (Research) Program |
4 | IACS Kolkata | Integrated Bachelor's–Master's in Science (BS-MS) Program |
5 | IIEST Shibpur | 5-Year BS-MS in Chemistry, Physics and Applied Geology Program |
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. |
Subject requirement | Candidates need to take at least three subjects among Biology, Chemistry, Mathematics, and Physics during Class XII or in science stream. |
How can I fill out the IAT 2026 Application Form?
The IAT 2026 application form will be released on March 5, 2026 at iiseradmission.in. To fill out the form, they can use the following steps:
Visit the official website – iiseradmission.in.
Fill in the required details: email ID and phone number and generate a password to create a login/candidate registration account.
Enter your educational details and personal details.
Upload your passport-size photo and a scanned copy of your signature.
Pay the application fee online and submit the form.
What are IAT 2026 Eligibility Criteria?
Candidates who have passed Class XII (or equivalent) in 2024 or 2025 or 2026 from an institute recognised by the Council of Boards of School Education (COBSE) in India with PCM, PCB or PCMB can apply for IAT. They must have at least three subjects among Physics, Chemistry, Biology and Mathematics in Class XII.
Indian nationals, PIO/OCI holders, and foreign nationals are eligible for IISER 2026.
Foreign applicants must upload an equivalence certificate issued by AIU unless their board is COBSE recognised.
What documents do I need to apply for IAT 2026?
The IAT 2026 application process will commence on March 5, 2026 at iiseradmission.in. To apply for IAT 2026, aspirants need the following documents and details:
Valid Email ID and Mobile Number
Government-issued Photo ID (Aadhaar Card/Passport/PAN Card/Driving License/Voter ID)
Class 10 Marksheet (for date of birth proof)
Class 12 Marksheet / Passing Certificate (if already passed)
Caste Certificate (SC/ST/OBC-NCL/EWS) issued by a competent authority
PwD Certificate (if applicable)
Recent Passport-size Photograph
Scanned Signature
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:
Can I change details in my IAT 2026 Application Form after submitting it?
Candidates can change details in the IAT 2026 application form during the IAT 2026 Application Correction process. The IAT 2026 Application Correction will open on April 13, at iiseradmission.in.
Candidates can correction the following details during the correction window:
Candidate Name or
Father's Name or
Mother's Name
IISER Exam 2025 Form Correction: All the fields can be corrected
Class 10/ equivalent details
Class 12/ equivalent details
Graduation Details
Post Graduation Details
Date of Birth
Gender
Category
Sub-category / PwBD
Test Paper Code
Can student appearing for Class 12 apply for IAT?
Students pursuing Class 12 with any three of the four subjects: Physics, Chemistry, Mathematics, and Biology—are eligible to appear for IAT. These candidates must have passed Class 12 by the time of IAT 2026 counselling. They must score at least the percentage mentioned in the IAT eligibility criteria for their category, and must have their Class 12 marksheet at the time of admission to one of the IISERs.
Is IAT 2026 Application Fees refundable?
No, the application fee for the IISER Admission Test (IAT) 2026 is not refundable. Once candidates submit the application fee, they cannot receive it back.
IISER 2026 Application Form
IISER registration form 2026 will be released online ion March 5, 2026 at iiseradmission.in. Class 12 droppers and appearing students will be able to fill out the IISER application form 2026 by making a registered account, filling in the details asked, choosing exam cities, uploading documents, and paying the IISER 2026 registration fee. IAT 2026 Registration Fee In order to make the successful registrations, candidates need to pay the IISER 2026 application fee via online mode through the secure payment gateway on the application portal.
Category | IISER Application Fee |
|---|---|
General / OBC-NCL | Rs 2,000 |
SC / ST / Kashmiri Migrants / PwD | Rs 1,000 |
Also Read:
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 15 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
Candidates must prepare for the exam through the specified IAT syllabus 2026. Exam officials will release the syllabus has been released at iiseradmission.in. The exam questions will be asked from the topics mentioned in the Class 11 and 12 NCERT books on physics, chemistry, mathematics, and biology subjects. Candidates are suggested to thoroughly go through the topics mentioned in the IISER syllabus. The questions will be designed in a certain way to test the candidate’s domain knowledge and critical and analytical skills.
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. The exam officials will release the IISER Hall Ticket 2026 in the May 24, 2026 at iiseradmission.in, 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.
IISER Entrance Exam Cut Off 2026
Candidates preparing for IISER aptitude test 2026 can check out the expected cut off for the upcoming session from here:
Marks vs College: Cutoffs for 2026 (Expected) | |||
Colleges | General | OBC-NCL | SC |
IISc | 215-235 | 200-220 | 160-180 |
IISER PUNE | 165-200 | 140-160 | 115-135 |
IISER KOLKATA | 150-180 | 130-150 | 110-120 |
IISER MOHALI | 145-175 | 120-140 | 100-110 |
IISER BHOPAL | 140-170 | 115-135 | 95-115 |
IISER TVM | 130-160 | 110-130 | 90-110 |
IISER TPT | 120-140 | 105-125 | 85-105 |
IISER BPR | 110-130 | 95-110 | 80-100 |
IISER Bhopal BTech | 150-170 | 125-145 | 100-120 |
IISER Tirupati (BS in Economic and Statistical Sciences) | 130-150 | 110-130 | 100-110 |
IISER Kolkata (BS-MS in Computational and Data Sciences) | 160-180 | 140-160 | 110-130 |
IIT MADRAS | 200-220 | 180-200 | 140-160 |
IIT GUAWHATI | 180-200 | 160-180 | 130-150 |
Also Read: Category & College Wise IISER 2026 Cut offs
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
Start Your IISER Aptitude Test 2026 Preparation
Every year, the difficulty level and competition for the IISER Aptitude Test continue to rise, making early and strategic preparation essential for success. With expert guidance from dedicated mentors at SciAstra, you can strengthen your preparation and secure admission to prestigious BS-MS, BS, or BTech programmes at IISERs, IISc, and IIT Madras.
Explore the IISER 2026 preparation batches offered by SciAstra and choose the one that best fits your goals — start your journey today!
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