IISER Aptitude Test 2025 will be providing admissions to the five-year BS-MS dual degree and BS degree (IISER Bhopal) programmes at seven IISERs, IIT Madars and IISc Banglore. IAT registration for the academic session 2025-2026 will start in the first week of April 2025, tentatively. Interested candidates can read this Shiksha article to learn about the IISER 2025 academic programmes offered, registration, important dates, exam pattern and other admission process details here.
IISER 2025 Admission Test Process
IISER Aptitude Test 2025 is a one-stop platform for candidates who wish to enrol in the 5 years BS-MS dual degree and four-year BS degree programme offered by seven IISERs, IIT Madras, and IISc Banglore participating institutes. Interested candidates for these programmes will be admitted through the IAT 2025 examination. Candidates seeking admission must appear for a computer-based IISER Aptitude Test.
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There is a 90% more chance of getting best college recommendations by sharing preferences.IISER 2025 registration process will start in the first week of April 2025, tentatively. The application process will be completely online right from creating a candidate registered account, filling in the IISER application form 2025, fee payment and document upload. The last date for filling out the application form and the complete schedule for the academic session 2025-2026 will be notified in due course time. Test takers are advised to check the IISER Eligibility Criteria 2025 meticulously in order to not lose their candidature at any stage of the IISER admission process 2025.
Q: What is the eligibility criteria for applying in IISER 2025 entrance examination?
The overall eligibility criteria that a candidate need to satisfy before applying for IISER 2025 entrance exam application form is mentioned below:
- Applicants must be Indian nationals or PIO or OCI in order to apply through KVPY or JEE Advanced or IAT channels. Candidates who are NOT Indian nationals or PIO or OCI can apply for admission only through the JEE Advanced channel.
- Candidates must have passed Class 12 (or equivalent) exam with Science stream in 2024 or 2025 from any board recognised by Council of Boards of School Education in India COBSE.
- Candidates must have taken at least three subjects among Biology Chemistry Mathematics and Physics during their Class XII (or equivalent) exam.
- Candidates belonging to SC/ST/PwD should have scored a minimum of 55 percent 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% marks in aggregate or equivalent grade in their Class XII (or equivalent) exam.
Q: I got low marks in IAT. Can I appear for the exam again?
Yes, one can appear again in the IISER aptitude test if they have the following educational qualifications:
The candidates must have passed the Class XII or equivalent level examination in 2022 or 2023 or 2024 from any board recognised by the Council of Boards of School Education in India COBSE.
Candidates must have taken at least three subjects among Biology, Chemistry, Mathematics and Physics during their Class XII (or equivalent) examination.
Candidates belonging to SC/ST/PwD require to score a minimum of 55% marks in aggregate or equivalent grade in their Class XII (or equivalent) examination. Candidates belonging to other categories require to score a minimum of 60% marks in aggregate or equivalent grade in their Class XII (or equivalent) examination.
Q: I am currently in 11th. What is the appropriate time for me to apply for IISER entrance exam?
This Shiksha article will provide candidates the academic assistance for the IISER 2025 admission process. Candidates will be able to check the IISER 2025 programmes offered, application form, fee details, application correction window, pattern, syllabus, pattern, admit card, exam analysis and other important exam events.
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What is IISER Aptitude Test?
Indian Institutes of Science Education and Research (IISERs) admit students to their five-year BS-MS dual/ 4 year BS degree programs based on the IISER Aptitude Test (IAT). The exam is being held annually which determines admission to IISER campuses in Berhampur, Bhopal, Kolkata, Mohali, Pune, Thiruvananthapuram, and Tirupati. Students who have completed Class 12 with a Science background are eligible to apply for the IISER Aptitude Test. Based on the marks scored in the IAT 2025 exam, candidates, based on their preferences, get admission to the programmes offered by various IISER 2025 participating universities.
Academic Programmes Offered by IISER
IISERs offer admission into courses leading to BS-MS Dual Degree, and BS Degree (only at IISER Bhopal) Programs. Admissions are via the IAT Channel only. KVPY and JEE (Advanced) scorecards are no longer valid for admissions. Programmes offered by the participating IISER institutions are mentioned below:
- Biological Sciences
- Chemical Sciences
- Earth & Climate Sciences/Earth & Environmental Sciences
- Economic Sciences
- Engineering Sciences (Chemical Engineering, Data Science & Engineering, Electrical Engineering & Computer Science)
- Geological Sciences
- Integrated & Interdisciplinary Sciences (Biological Sciences, Chemical Sciences, Mathematical Sciences, Physical Sciences)
- Mathematical Sciences
- Physical Sciences
Note: The Four-year BS program in Engineering Sciences and Economics Sciences is offered only by IISER Bhopal.
IISER Entrance Exam 2024: Participating Institutes
Below is the list of IISERs and their locations in India:
| List of IISERs | Location |
|---|---|
| IISER Berhampur | Odisha |
| IISER Bhopal | Madhya Pradesh |
| IISER Kolkata | West Bengal |
| IISER Mohali | Punjab |
| IISER Pune | Maharashtra |
| IISER Thiruvananthapuram | Kerala |
| IISER Tirupati | Andhra Pradesh |
| IISc Banglore | Karnataka |
| IIT Madras | Tamil Nadu |
About BS-MS Dual Degree Programme
For the undergraduate programs, IISERs offer admission to courses leading to BS-MS (Dual Degree) and BS Degree (only at IISER Bhopal) Programs. All admissions are only through the IISER Aptitude Test (IAT).
Q: I want my IAT score to be re-evaluated. Is it possible?
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.
Q: Does IISER have an age limit?
Q: I have done HSC and currently I am doing B.Sc in chemistry. Can I apply for IISER entrance exam?
- IISERs offers a rigorous academic experience combining classroom learning with hands-on research.
- 5-year Dual Degree program for science students and a 4-year BS Degree program in Engineering Sciences and Economic Sciences (IISER Bhopal)
- Interdisciplinary curriculum emphasizing both the breadth and depth of natural sciences, engineering sciences, and economic sciences.
- Opportunities for impactful research alongside experienced faculty.
- Modern residential campus with state-of-the-art facilities including medical care, sports, and recreation.
IISER 2025 Exam Highlights
The following table provides the tentative important information and highlights of the IISER Aptitude Test 2025.
| 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 |
IAT 2025 Important Dates Table
Candidates taking admissions to the programmes offered by the IAT 2025 exam can go through the table mentioned below to learn the event specific dates:
| Events | IISER Exam Date (Tentative) |
|
|---|---|---|
| Application Portal opens for applications |
First week of April 2025 |
|
| Last date for online applications |
Second week of May 2025 | |
| Corrections in application form |
Third week of May 2025 |
|
| Release of Hall Ticket |
First week of June 2025 |
|
| IISER Aptitude Test |
Second week of June 2025 |
|
IISER Entrance Exam 2025 Admission Process
IAT 2025 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 2025 events from here:
IISER 2025 Eligibility Criteria
Before filling out the IAT 2025 application form, candidates are advised to check the IISER 2025 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 2025. 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 2025 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 2024 Application Form
IISER application form 2025 is anticipated to start in the first week of April 2025, tentatively. Interested applicants will be able to fill out the IAT 2025 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 2025 application fee online (through credit/ debit card/net banking) mode.
Candidates can check the complete process for filling the IAT 2025 application form here: How to Fill IISER Application form 2024: Check Steps, Fee Details and link @iiseradmission.in
IISER Entrance Exam 2024 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 2025 application form, candidates can refer to the video tutorial mentioned below:
IAT 2025 Exam Pattern
IISER Entrance Exam 2025 exam pattern depicts the types of questions that will be asked in the IAT 2025 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 2025 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 2025 Syllabus
The IISER 2025 syllabus will be specified by the exam officials when they release the official IAT 2025 notification. In the IAT 2025 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 |
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 |
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 |
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 |
IISER Entrance Exam 2025 Preparation
IAT 2025 is a highly competitive exam, students need to prepare well, get all the right study material, solve mock tests, solve previous years question papers and much more in order to qualify. Here are a few step-wise IISER 2025 preparation tips that you can apply when you are short on time and need to study straight away:
- Gather all the relevant information. This includes the exam dates, the number of papers, the duration of each paper, and the syllabus for each paper.
- List all the papers you need to take.
- Estimate the amount of time you need to study for each paper.
- Allocate time for each paper in your timetable.
- Be realistic about how much you can study in a day.
- Schedule your study sessions around your other commitments.
- Stick to your timetable as much as possible.
- To identify areas where you need to improve: By reviewing your mock test results, you can identify areas where you need to improve your knowledge or understanding. This can help you focus your studies on the most important topics, maximizing your chances of success on the actual exam.
For better preparation, candidates can go through the expected IISER 2025 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 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 2024-2025 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 2025 Admit Card
The IAT 2025 admit card will be released in the first week of June 2025, tentatively. Candidates will be able to download the IISER entrance exam 2025 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 2024 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 2024 admit card will carry information like IAT 2024 Shift Timings, candidate's name, exam centre details and many more.
Steps to Download IISER Entrance Exam 2025 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:
Step 1: The candidate will have to first visit the official website of IISER Admissions
Step 2: 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’.
Step 3: Click on the link and the candidate will be directed to a new page on the website.
Step 4: Enter the credentials as required such as Login ID and Password.
Step 5: The candidate’s admit card will be viewed. Check the details on the IISER Entrance Exam admit card carefully.
Step 6: 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.
IAT 2025 Exam Analysis
IISER Entrance Exam 2025 is anticipated to be held in the second week of June, 2025, tentatively. The exam will be held for the duration of three hours in two shifts ie., the morning shift and the afternoon shift. As the exam is yet to be conducted, IISER 2025 exam analysis is not provided here. Candidates can go through the IAT previous year's exam analysis in order to get the trend of the questions coming in the examination and difficulty level.
IISER 2024 exam analysis: The overall exam difficulty level was found to be moderately easy by the candidates. Candidates who had opted for PCM found the Biology section tough to attempt and Candidates who had PCB in their class 12 found Mathematics subject questions difficult to solve. Topics were equally distributed from the IAT 2024 syllabus. Preparation from NCERT Books will help the candidates to have a good IAT 2024 score. There were no such technical glitches found at the examination hall. Following the previous year's trend and this year's exam difficulty level, it is expected that the IISER 2024 cut-off will be higher than last year. There was no change in the IAT 2024 exam pattern and syllabus.
Candidates can check out the IISER entrance exam 2024 student reactions from here:
IISER Entrance Exam 2025 Answer Key
IAT 2025 answer key will be released on the same day of the conduct of the examination. At first, the exam officials will be releasing the IISER 2025 provisional answer key. Candidates will be able to download the IISER 2025 answer key by visiting the official website. If candidates are not satisfied with the answers released by the exam officials, they will also get the opportunity to raise objections against the released answer key. After going through the objections raised by the candidates, the subject experts will make the necessary changes and will release the IAT 2025 final answer key.
IISER Entrance Exam 2025 Result
IAT 2025 results will be released in the fourth week of June 2025, tentatively. Candidates will be able to download their IAT 2025 scorecard by visiting the official website and logging in to their registered account with the help of login credentials ie., username and password. The IISER 2024 Rankcard will help the candidates to enrol in the counselling rounds conducted by various IISER participating institutions. Only the meritorious candidates IAT 2024 Test will get the opportunity to sit in the IISER 2024 counselling process.
IISER Entrance Exam 2025 Cut Off
Following the previous year trends, IISER Exam Cut-off 2025 marks are not released by the exam officials directly on the official website or in the test takers IISER 2024 rank card. The exam officials release the IAT 2024 category and participating institutes -wise closing ranks after the IISER 2024 counselling registration is done by the test takers.
Based on the details collected by the students candidates can check out he expected IISER 2025 cut off from below:
| IISER 2024 Expected Cut Off | |
|---|---|
| IISc Banglore- 200 |
190 |
| IIT Madras- 185 |
175 |
| IISER Pune- 170 |
160 |
| IISER Bhopal- 140 |
135 |
| IISER Kolkata- 160 |
155 |
| IISER Mohali- 140 |
132 |
| IISER Tirupati- 120 |
115 |
| IISER Berhampur- 110 |
95 |
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Student Forum
Anything you would want to ask experts?Answered 4 days ago
While there might not be dedicated, free coaching programs specifically for the IISER Entrance Exam, here are some valuable resources and strategies to prepare effectively:
Online Resources:
* Official IISER Website: The official website of the Indian Institutes of Science Education and Research (IIS
S
Contributor-Level 8
Answered a month ago
Candidates will be able to download the final answer key of IISER 2025 pdf from the official website only in online mode. The authorities released the first provisional answer key of IISER pdf and candidates will be able to check their answers and calculate the probable scores secured in the IISER 2
Contributor-Level 10
Answered a month ago
Analyzing trends in IISER application statistics can provide valuable insights into the growing popularity and competitiveness of the IISERs. Here are some key factors to consider when interpreting these trends:
1. Overall Increase in Applicants:
Rising Awareness: A steady increase in the number of ap
Contributor-Level 10
Answered a month ago
IISER application statistics can be helpful for applicants in the IISER examination in several ways:
1. Understanding the Competition:
- Number of applicants: Knowing the total number of applicants can give you an idea of the competitive landscape and help you gauge your chances.
- Distribution of applican
Contributor-Level 10
Answered a month ago
The IISER Paper Analysis 2023 is given below for the reference of the candidates.
| Particulars | Analysis |
|---|---|
| Overall Difficulty Level | Moderate |
| Expected Number of Good Attempts | 45-50 |
| Difficulty Level of Biology | Easy to Moderate |
| Difficulty Level of Physics | Moderate to Difficult |
| Difficulty Level of Mathematics | Difficult |
| Difficulty Level of Chemistry | Moderate |
| Topics with Highest Weightage in Mathematics | Sets, Relations And Functions |
| Topics with Highest Weightage in Chemistry | Inorganic and Organic Chemistry, |
| Topics with Highest Weightage in Physics | Gravitation, Electricity, Electrostatistics |
| Topics with Highest Weightage in Biology | Molecular Biology, Biotechnology, Cell Biology |
Contributor-Level 10
Answered a month ago
IAT 2024 question paper and answer key were released on June 9, 2024 on the official website. For the last day of IAT 2024 preparation, candidates can go through the IISER 2024 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 |
Contributor-Level 10
Answered a month ago
The following items or objects will not be allowed to be carried to the IISER 2025 exam centres.
- Stationery items such as test-based material (written/printed), papers, notes, Pencil box, pouches, geometry box, pen, scale/ruler, eraser, etc.
- Electronic devices such as calculators, cameras, electronic
Contributor-Level 10
Answered 2 months ago
IISER will conduct the IISER Entrance Exam 2025 for the academic session 2025-2026. Candidates who wish to get enrol in the 5 year BS-MS dual degree and 4 year BS degree programmes offered by IISERs, IIT Madras and IISc Banglore institutes need to fill out the IAT 2025 registration form.
Candidates w
Contributor-Level 10
Answered 2 months ago
IISER Pune cutoff 2024 has been released across BS and BS-MS specialisations. The last-round seat allotment for IISER Pune conclued at 1023 for all BS-MS Specialisations under the General AI category. Comparing to IISER Pune cutoff 2022, the cutoff has been improved with an increase in the ranks in
Y
Contributor-Level 10
Where can I get free coaching for IISER Entrance Exam?