The IISER Aptitude Test 2025 is a national-level entrance examination conducted for admission into the Indian Institutes of Science Education and Research (IISERs). These premier institutes offer a 5-year BS-MS dual degree programme focused on high-quality education and research in science.

If you are a science enthusiast aiming to build a career in research, academics, or innovation, the IISER Aptitude Test (IAT) 2025 could be your gateway to success.
In this blog, we’ll cover all essential details including exam dates, eligibility, application process, syllabus, exam pattern, and smart preparation tips.
📅 Important Dates for IISER Aptitude Test 2025 (Tentative)
Event | Date |
---|---|
Release of Notification | March 2025 |
Application Start Date | April 2025 |
Last Date to Apply | May 2025 |
Admit Card Release | June 2025 |
Exam Date | June 2025 |
Result Declaration | July 2025 |
👉 Check the official website: https://iiseradmission.in for updates.
🧾 Eligibility Criteria for IISER Aptitude Test 2025
To apply through the IAT 2025 channel, candidates must meet the following criteria:
- Educational Qualification: Passed Class 12 (Science stream) in 2024 or 2025 from a recognized board.
- Subjects Required: Physics, Chemistry, and Mathematics are mandatory.
- Marks Required: Minimum of 60% (General/OBC) and 55% (SC/ST/PwD) in the qualifying exam.
- Domicile Criteria: Open to all Indian nationals and OCI/PIO cardholders.
Note: IISER admissions are also open through JEE Advanced and KVPY (if applicable).
🏛️ List of IISER Campuses
There are seven IISERs across India offering the BS-MS program:
- IISER Pune
- IISER Kolkata
- IISER Mohali
- IISER Bhopal
- IISER Thiruvananthapuram
- IISER Tirupati
- IISER Berhampur
📚 Syllabus for IISER Aptitude Test 2025
The IAT syllabus is based on Class 11 and 12 NCERT syllabus. The paper consists of 4 subjects:
- Physics: Motion, Laws of Motion, Gravitation, Electricity, Magnetism, Thermodynamics
- Chemistry: Atomic Structure, Equilibrium, Chemical Bonding, Organic Chemistry, Environmental Chemistry
- Mathematics: Algebra, Trigonometry, Calculus, Vectors, Probability
- Biology: Cell Biology, Genetics, Evolution, Ecology, Human Physiology, Plant Physiology
Each subject will have 15 multiple-choice questions, totaling 60 questions.
🧠 Exam Pattern
Feature | Details |
---|---|
Mode of Exam | Computer-Based Test (CBT) |
Duration | 3 hours |
Type of Questions | MCQs (Multiple Choice Questions) |
Total Questions | 60 (15 per subject) |
Total Marks | 240 |
Marking Scheme | +4 for correct answer, -1 for wrong answer |
Medium of Exam | English |
📝 Application Process
Follow these steps to apply for IAT 2025:
- Visit the official portal: https://iiseradmission.in
- Register using email ID and phone number.
- Fill out the application form with academic and personal details.
- Upload documents: photograph, signature, and marksheets.
- Pay the application fee online.
- Submit and download the confirmation page.
Category | Application Fee |
---|---|
General/OBC | ₹2,000 |
SC/ST/PwD | ₹1,000 |
📈 Preparation Tips for IISER Aptitude Test 2025
Cracking IAT 2025 requires clarity in concepts and consistent practice. Here are some tips:
- Know the Syllabus Thoroughly: Stick to NCERT Class 11 & 12 books.
- Time Management: Solve previous year papers in a timed manner.
- Mock Tests: Attempt weekly mock tests to evaluate progress.
- Clear Basics First: Focus on fundamental concepts in Physics, Chemistry, and Mathematics.
- Don’t Ignore Biology: Even if you’re a PCM student, Biology is compulsory in IAT.
📌 Internal Link Suggestion: Top Books for IISER Aptitude Test Preparation 2025
❓ Frequently Asked Questions (FAQs)
Q1. Can I apply for IISER through JEE Advanced?
Yes, candidates with JEE Advanced ranks within the top 15,000 (as per 2024 cutoff) are eligible.
Q2. Is Biology compulsory for the IISER Aptitude Test?
Yes, all four subjects—Physics, Chemistry, Mathematics, and Biology—are compulsory.
Q3. Can students from state boards apply?
Yes, students from all recognized boards, including CBSE, ICSE, and state boards, can apply.
Recommended Internal Links:
- How to Fill Admission Form Step-by-Step (With WhatsApp Support)
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Add to the conclusion or counselling section for students seeking guidance. - Best Career Options After B.Sc – India & Abroad (2025 Update)
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✅ Conclusion
The IISER Aptitude Test 2025 is a golden opportunity for students passionate about science and research. With proper planning, disciplined preparation, and a strong understanding of the syllabus, you can secure admission into one of India’s top research institutes.
Whether you dream of becoming a scientist, researcher, or academician, IISER offers you the ideal launchpad. So, focus on your studies, attempt mock tests, revise thoroughly—and go crack the IAT 2025!