Are you passionate about science and dream of joining a prestigious research institute? Do you want to be part of an elite group of scientists shaping the future of innovation? If yes, then IISER (Indian Institutes of Science Education and Research) could be your perfect destination!
The IISER Aptitude Test 2025 (IAT 2025) is your gateway to joining these esteemed institutions, offering world-class education, cutting-edge research opportunities, and a bright career in science. This guide covers everything you need to know about IISER admissions, from eligibility criteria and exam details to preparation tips and career prospects. Let’s dive in!
Table of Contents
1. What is IISER and Why Choose It?
What are IISERs?
IISERs are autonomous institutions established by the Government of India to promote high-quality education and research in science. There are seven IISERs located in:
- IISER Pune
- IISER Kolkata
- IISER Mohali
- IISER Bhopal
- IISER Tirupati
- IISER Thiruvananthapuram
- IISER Berhampur
Why Choose IISER?
- World-class education with top faculty and research facilities.
- Flexible curriculum that allows students to explore various scientific disciplines.
- Research-focused learning with exposure to national and international projects.
- Great career opportunities in research, industry, and academia.
IISERs offer top-tier science education and research opportunities. But how did they start? Which IISER is the best? Learn more in our detailed guide: IISER: Everything You Need to Know.
2. IISER Admissions 2025 – Process & Eligibility
Eligibility Criteria
To be eligible for IISER admissions, students must meet the following criteria:
- Must have completed 10+2 (Class 12) in the Science stream.
- Should have studied at least three subjects among Biology, Chemistry, Mathematics, and Physics.
- Admissions are now only through IISER Aptitude Test (IAT).
- Minimum Percentage Requirement:
- SC/ST/PwD candidates must have at least 55% aggregate marks in Class XII (or equivalent) examination.
- Candidates from other categories must have at least 60% aggregate marks in Class XII (or equivalent) examination.
- Aggregate marks include the sum of all subjects taken in Class XII.
Admission Channel
From 2024 onwards, IISERs accept students only through the IISER Aptitude Test (IAT). Earlier, there were other modes of admission like KVPY and JEE Advanced, but now IAT is the sole entrance pathway.
Application Form
Students can apply for IISER Admissions 2025 through the official online portal. 🔗 Apply for IISER 2025 here
Application Fee
The application fee must be paid during the submission of the online application form. The application portal opens on March 10, 2025.
| Category | Application Fee |
|---|---|
| General, EWS, OBC, OBC-NCL | ₹2,000/- |
| PwD, SC, ST, Kashmiri Migrants/Kashmiri Pandits/Kashmiri Hindu Families (Non-Migrant) | ₹1,000/- |
| Foreign Nationals | ₹12,000/- |
Important Note: The application fee is non-refundable under any circumstances.
Important Dates for IISER Admissions 2025
| Event | Date |
|---|---|
| Application Portal Opens | March 10, 2025 |
| Application Portal Closes | April 15, 2025 |
| Corrections in Application Forms | April 21 – 22, 2025 |
| Release of Hall Tickets | May 15, 2025 |
| IISER Aptitude Test (IAT) 2025 | May 25, 2025 |
| Answer Key Display | May 25, 2025 (after the IAT 2025) |
3. IISER Aptitude Test (IAT) – Complete Details
IISER Exam Pattern
| Subject | No. of Questions | Marks per Question | Total Marks |
|---|---|---|---|
| Biology | 15 | 4 | 60 |
| Chemistry | 15 | 4 | 60 |
| Mathematics | 15 | 4 | 60 |
| Physics | 15 | 4 | 60 |
| Total | 60 | 4 | 240 |
Marking Scheme
- +4 marks for each correct answer.
- -1 mark for each incorrect answer.
- 0 marks for unanswered questions.
IISER IAT 2025 Syllabus
The IISER Aptitude Test (IAT) 2025 syllabus follows the NCERT curriculum of Classes 11 and 12, based on the rationalized NCERT syllabus of 2023-24. Below is the subject-wise breakdown of important chapters:
Physics:
- Kinematics
- Laws of Motion
- Work, Energy, and Power
- Gravitation
- Thermodynamics
- Properties of Matter
- Waves and Oscillations
- Electrostatics
- Current Electricity
- Magnetism and Electromagnetic Induction
- Optics
- Modern Physics
Chemistry:
- Some Basic Concepts of Chemistry
- Structure of Atom
- Chemical Bonding and Molecular Structure
- States of Matter
- Thermodynamics
- Equilibrium
- Redox Reactions
- Organic Chemistry – Basic Principles and Techniques
- Hydrocarbons
- The p-Block Elements
- Coordination Compounds
- Biomolecules
Mathematics:
- Sets, Relations, and Functions
- Trigonometry
- Complex Numbers and Quadratic Equations
- Permutations and Combinations
- Binomial Theorem
- Sequences and Series
- Limits, Continuity, and Differentiability
- Applications of Derivatives
- Integration and Its Applications
- Probability
- Vectors and Three-Dimensional Geometry
Biology:
- Diversity of Living Organisms
- Structural Organisation in Animals and Plants
- Cell Structure and Function
- Plant Physiology
- Human Physiology
- Reproduction
- Genetics and Evolution
- Biology and Human Welfare
- Biotechnology and Its Applications
- Ecology and Environment
For the complete and most updated syllabus, visit the official IISER admission website:
🔗 Check the official IISER IAT syllabus here
IISER PYQ (Previous Year Question Papers)
If you’re preparing for the IISER Aptitude Test (IAT), practicing previous year question papers (PYQs) is one of the best ways to understand the exam pattern, difficulty level, and important topics.
You can download official IISER PYQs from the IISER admission portal here:
🔗 IISER Previous Year Question Papers
Practicing these papers will help you:
✔ Understand the question format
✔ Identify important topics from Physics, Chemistry, Mathematics, and Biology
✔ Improve time management skills
4. How to Prepare for IISER Entrance Exam (IAT)?
Best Books & Study Materials
- Physics: NCERT (Class 11 & 12), HC Verma (Concepts of Physics)
- Chemistry: NCERT, OP Tandon (Physical Chemistry)
- Mathematics: NCERT, RD Sharma, Arihant Series
- Biology: NCERT, Trueman’s Biology
IISER IAT 2025 Preparation Tips
- Start early: Start 3-6 months before the exam.
- Focus on NCERT books: They form the base of the syllabus.
- Solve previous year papers: Helps in understanding the question pattern.
- Take mock tests: Practice time management and accuracy.
- Revise regularly: Make summary notes for quick revision.
5. IISER Cutoffs & Counseling Process
How is the IISER Cutoff Decided?
- Based on the difficulty level of IAT.
- Total number of candidates appearing for the exam.
- Availability of seats.
Counseling & Seat Allocation Process
- Students who clear the cutoff are called for counseling.
- Seats are allotted based on merit and preference.
- Students must pay the Seat Acceptance Fee (SAF) to confirm their admission.
6. Career Options After IISER
Higher Studies & Research
- Many IISER graduates pursue Ph.D. programs in India and abroad.
- Opportunities to study in top institutes like IISc, MIT, Harvard, and Cambridge.
Job Opportunities
- Research scientist in institutes like ISRO, DRDO, BARC, CSIR.
- R&D roles in companies like Pfizer, Novartis, and Tata Chemicals.
- Data science & AI careers in companies like Google and Microsoft.
- Government services through UPSC exams.
Want to make an informed decision about IISER? Learn about its history, best campuses, and career prospects in our complete guide: IISER: Everything You Need to Know.
7. IISER Questions and Answers
What is the mode of IISER Aptitude Test?
The IISER Aptitude Test (IAT) is conducted in online mode (computer-based test).
Can I apply to IISERs without appearing for IAT?
No, from 2024 onwards, admissions to IISERs are only through the IISER Aptitude Test (IAT).
Is there a minimum percentage required in Class 12?
Yes. Candidates must meet the following criteria:
– SC/ST/PwD candidates: Minimum 55% aggregate marks.
– Other categories: Minimum 60% aggregate marks.
How many times can I attempt the IISER Aptitude Test?
A candidate can appear for the IISER Aptitude Test only once in a particular admission year.
For more FAQs, visit: 🔗 IISER FAQ Section
What is the IISER application form 2025 fee?
The IISER application form 2025 fee varies based on the applicant’s category. Candidates from the General, EWS, OBC, and OBC-NCL categories must pay ₹2,000, while those belonging to SC, ST, PwD, and Kashmiri Migrants/Kashmiri Pandits/Kashmiri Hindu Families (Non-Migrant) categories need to pay ₹1,000. For foreign nationals, the application fee is ₹12,000. It is important to note that the fee is non-refundable and must be paid during the submission of the application form.
When is the last date to submit the IISER application form 2025?
The IISER application portal opens on March 10, 2025, and the last date to submit the form is April 15, 2025.
What is the IISER 2025 exam date?
The IISER Aptitude Test (IAT) 2025 will be conducted on May 25, 2025.
Still have questions about IISER? Discover the best campuses, placement details, and future scope of IISER in this guide: IISER: Everything You Need to Know.
Conclusion
This guide covers all the essential details about IISER Admissions 2025. However, for the latest and official information, students should always visit www.iiseradmission.in.
Have any questions about IISER 2025? Let us know in the comments!
If you found this guide helpful, share it with your friends and family who love science!
2 thoughts on “Complete Guide to IISER Admissions 2025, Exam Date, Fee, Eligibility”