IAT 2026 admission process is long and comprehensive and consists of many events like registration, application fee, application correction window, admit card, exam day, answer key, answer key challenge, result, counselling, and seat allocation process. Candidates can find the detailed IISER 2026 events from here:
The following table provides the tentative important information and highlights of the IISER Aptitude Test 2026.
| Particulars |
Details |
| Exam Name |
IISER Aptitude Test |
| Conducting Body |
Indian Institute of Science Education and Research |
| Exam Level |
Undergraduate |
| Exam Frequency |
Once a year |
| Exam Mode |
Online/Computer-based Test (CBT) |
| Total Registrations |
Two lakh (approximate number) |
| Courses Offered through IISER Aptitude Test |
BS-MS dual degree programme/ BS (IISER Bhopal) degree |
| Application Fee |
Gen/OBC/OBC-NCL/EWS - INR 2,000 SC/ST/KM/PwD - INR 1,000 |
| Exam Duration |
3 Hours |
| Exam Medium |
English and Hindi |
| Total Marks of IISER |
240 Marks |
| Total Questions |
60 |
| Marking Scheme |
+4 for each correct answer -1 for each wrong answer |
| Colleges Accepting IISER Aptitude Test Scores |
All IISER campuses in India |
| Official Website |
http://www.iiseradmission.in/ |
| Contact Details |
Phone: 020 25908222 (2 to 5 PM, Monday to Friday) Email: ask-jac2022@acads.iiserpune.ac.in |
IISER Entrance Exam 2026: Participating Institutes
Below is the list of IISERs and their locations in India:
IISER 2026 Seat Intake
For the academic session 2024-2025, a total of 1933 seats were offered through IISER entrance exam at various IISERs, IISc Banglore and IIT Madras. From this session, two new courses have been added up which increases the overall IISER Entrance Exam 2026 seat intake. Candidates can check out the seat distribution form here:
| IISER Bhopal (B. Tech.) |
140 |
| IISER Bhopal (BS in Economic Sciences) |
35 |
| IISER Tirupati (BS in Economic and Statistical Sciences) |
50 |
| Total |
2333 |
IISER 2026 Eligibility Criteria
Before filling out the IAT 2026 application form, candidates are advised to check the IISER 2026 eligibility criteria that one needs to satisfy in order to appear for the examination:
- An applicant must be an Indian citizen or PIO or OCI in order to apply for the IISER aptitude test 2026. Candidates who are NOT Indian nationals or PIO or OCI can apply for admission only through the JEE (Advanced) channel.
- Candidates should have passed the Class 12 (or equivalent) exam with science stream in 2024 or 2026 from any board recognized by Council of Boards of School Education in India CBSE.
- Candidates must have taken at least three subjects among Biology, Chemistry, Mathematics and Physics during their Class 12 (or equivalent) exam.
- Candidates belonging to SC/ST/PwD should have scored a minimum of 55% marks in aggregate or equivalent grade in their Class 12 (or equivalent) exam. Candidates belonging to other categories should have scored a minimum of 60 per cent marks in aggregate or equivalent grade in their Class 12 (or equivalent) exam.
IISER Entrance Exam 2026 Application Form
IISER application form 2026 will start in the second week of March 2026. Interested applicants will be able to fill out the IAT 2026 registration form online by visiting the official website. Candidates will be required to register first in order to fill out the application form. After receiving the IISER 2024 registration credentials via email and SMS, they have to log in again and fill up the IISER application form with the rest of the personal, and academic details, exam city preference, course preference and document upload. After all details on the IISER application form are filled out, candidates need to pay the application fee. Candidates could make the payment of the IISER 2026 application fee online (through credit/ debit card/net banking) mode.
Also Read: Documents Required for IISER Application Form
IISER Entrance Exam 2026 Application Fee
- INR 2,000/- for candidates applying under the General, EWS, and OBC-NCL categories.
- INR 1,000/- for candidates applying under persons with disabilities, persons registered as Kashmiri migrants and SC/ST category.
- USD 100 for foreign nationals.
- The application fee is non-refundable
For filling out the IISER 2026 application form, candidates can refer to the video tutorial mentioned below:
IAT 2026 Exam Pattern
IISER Entrance Exam 2026 pattern depicts the types of questions that will be asked in the IAT 2026 examination. The exam officials will test the domain knowledge of the candidates in the form of multiple-choice questions (MCQs) for the duration of three hours. Candidates will be awarded +4 marks for correct answers marked by the candidates in the examination. For every wrong answer marked -1 marks will be deducted by the exam officials. Candidates can check the IAT 2026 exam pattern from here:
| Subject |
No. of Questions |
Marks |
| Physics |
15 |
60 |
| Chemistry |
15 |
60 |
| Biology |
15 |
60 |
| Mathematics |
15 |
60 |
| Total |
60 |
240 |
IISER Entrance Exam 2026 Syllabus
The IISER 2026 syllabus will be specified by the exam officials when they release the official IAT 2026 notification. In the IAT 2026 examination, the exam officials will test the domain knowledge of candidate from topics present in the syllabus of Class 11 and 12 books. IISER 2024 exam question paper carried questions from the sections- Biology, Chemistry, Physics and Mathematics. For better preparation of the IISER exam, the candidate must review the complete IISER 2024 syllabus as the questions asked will test the candidate's analytic ability.
Biology Syllabus
| Diversity in the living world. |
Human physiology. |
Reproduction |
| Cell structure and function |
Genetics and Evolution |
Ecology and environment |
| Plant and Animal physiology. |
Biology and human welfare |
Biotechnology and its applications |
Also Read: IISER 2026 Biology Syllabus
Chemistry Syllabus
| Structure of the Atom |
Thermodynamics and Equillibrium |
Redox Reactions |
| Classification of Elements and Periodicity in Properties |
Hydrogen |
s, p, d, f block elements |
| Chemical Bonding and Molecular Structure |
Organic Chemistry – Some Basic Principles and Techniques |
Hydrocarbons |
| Environmental Chemistry |
Alcohols, phenols and ethers, Aldehydes, ketones and carboxylic acids |
General principles and processes of isolation of elements |
| Electrochemistry and Chemical Kinetics |
Haloalkanes and haloarenes |
Coordination Compounds |
Also Read: IISER Aptitude Test 2026 Chemistry Syllabus
Mathematics Syllabus
| Sets, Relations and Functions and Trigonometric Functions |
Inverse Trigonometric Functions and Principles of Mathematical Induction |
Complex Numbers and Quadratic Equations and Linear Inequalities |
| Permutations and Combinations, Binomial Theorem and Sequences and Series |
Straight lines, Conic Sections and Three Dimensional Geometry |
Limits and Derivatives, Mathematical Reasoning |
| Statistics, Probability, Matrices and Determinants |
Continuity and Differentiability, Application of Derivatives |
Integrals and Applications of Integrals |
Differential Equations
|
Vectors |
Linear Programming |
Also Read: IISER Entrance Exam 2026 Mathematics Syllabus
Physics Syllabus
| Physical World and Measurement, Kinematics, Laws of Motion |
Work, Energy and Power, Motion of Systems of Particles and Rigid body |
Gravitation, Properties of bulk matter, Thermodynamics |
| Behavior of perfect gas and kinetic energy, Oscillations, Waves |
Electrostatics, Current Electricity |
Magnetic effect of current and magnetism, Electromagnetic Induction, Alternating current |
| Electromagnetic Waves, Optics, Dual Nature of Radiation and Matter |
Atoms and Nuclei
|
Electronic devices, Communication Systems |
Also Read: IISER Physics Syllabus 2026
Learn more about magnetic forces
IISER Entrance Exam 2026 Preparation
IAT 2026 is a very competitive examination, students must work diligently, must gather all appropriate material to study, must attempt mock tests, must attempt previous year question papers and so on to qualify. These are some step-wise preparation tips of IISER 2026 which you can follow when you have less time to evaluate and have to start studying immediately:
- Collect all the information that is concerned. This comprises of examination dates, number of papers, time duration of each paper, and each paper's syllabus.
- Mention all papers that you have to carry.
- Guess how much time you have to spend studying each paper.
- Allocate proper time for each paper in your schedule.
- Be realistic about how much you can do in a day.
- Coordinate your study time with your other activities.
- Maintain a regular schedule as far as you can.
- To work out where you must do better: By going through your practice test papers, you will find out where you must do better. These are the areas where you must raise your understanding completely or improve your present understanding to do well on the real paper.
For better preparation, candidates can go through the expected IISER 2026 question paper weightage from here:
| Subject |
Difficulty Level |
Good Attempt |
| Biology |
Easy |
12-13 Questions |
| Physics |
Moderate |
8-10 Questions |
| Chemistry |
Easy to Moderate |
10-12 Questions |
| Mathematics |
Moderate |
9-11 Questions |
IISER Entrance Exam 2026 Mock Test
The authority will activate the IISER mock test link online. The IISER 2026 mock test is a replica of the IAT exam. Students must practice the mock test after completing the IISER exam syllabus. Solving the mock test will build confidence, help in self-assessment, and mark answers. Also, students get familiar with the exam difficulty level and know the topics wise weightage.
IISER Entrance Exam Previous Year Question Paper
Referring to the IISER entrance exam previous year's question paper will help the aspirants in knowing the format of the exam, question difficulty, types of questions asked and question trends. By analyzing these papers, you can gain valuable insights to improve your exam preparation.
The IAT 2024 Question paper for the academic session 2024-2026 is mentioned below.
| Question Paper Medium |
IISER 2024 Question Paper PDF Download |
| English |
Download Now |
| Hindi |
Available Soon |
Also Read: IISER Entrance Exam Question Papers, Sample Papers PDF: Download Free
IISER Entrance Exam 2026 Admit Card
The IAT 2026 admit card will be released in the first week of June 2026, tentatively. Candidates will be able to download the IISER entrance exam 2026 admit card by visiting the official website and logging in to their registered account with the help of login credentials ie., username and password. The IAT 2026 admit card is a mandatory document that must be carried to the exam centre, and preserved till the admission process is complete. IISER Aptitude Test 2026 admit card will carry information like IAT 2026 Shift Timings, candidate's name, exam centre details and many more.
Steps to Download IISER Entrance Exam 2026 Admit Card
- The candidate will have to follow the below-mentioned steps on how to download the IISER Entrance Exam admit card which is as follows:
- The candidate will have to first visit the official website of IISER Admissions
- Once the candidate is on the homepage of the official website of IISER Admissions, the candidate will have to search for the tab ‘IISER Admit Card’.
- Click on the link and the candidate will be directed to a new page on the website.
- Enter the credentials as required such as Login ID and Password.
- The candidate’s admit card will be viewed. Check the details on the IISER Entrance Exam admit card carefully.
- Download and take out at least two print outs of the admit card. One can be kept as a backup as it will be required for future purposes.
Read More: Last Minute Preparation Tip for IAT 2026: Know Do's and Don'ts Here
IISER Entrance Exam 2026 Answer Key
The exam authority will release the provisional IISER answer key 2026 online. Students can download the answer key of IISER 2026 using the login credentials. The answer key comprises correct answers for the questions asked in the IISER entrance exam. Students can use the answer key to cross-check the answers. Also, students can challenge the IISER answer key in case of any errors in the keys. The authority will verify the objections and then release the final IISER answer key pdf online.
IISER Entrance Exam 2026 Result
The IAT exam result will be announced online. The authority will activate the IISER result link on the website, iiseradmission.in. Students have to provide their user ID and password to check the exam result. The IAT score card consists of marks obtained in the exam and overall rank. Students who qualify in the test need to participate in the IISER counselling process for admission. The steps to check the IISER entrance exam 2026 result is mentioned below.
- Go to IAT 2026 website, iiseradmission.in.
- Click on the IAT result link
- Enter the user id and password
- IISER result will display
Anything you would want to ask experts?
IISER Entrance Exam Notifications
There is no provision for re-evaluation/re-checking of IAT result. The official notification reads, No correspondence in this regard shall be entertained. The candidates can only raise objections against the provisional answer key. Based on the objections raised by the candidates the final answer key and the result is released.