IISER IAT 2026 Registration Begins: Exam Date, Eligibility, Syllabus & Complete Guide
The IISER Aptitude Test (IAT) 2026 registration process has officially started, offering students an excellent opportunity to pursue careers in science and research at Indiaβs top institutes.
The Indian Institutes of Science Education and Research (IISERs) are among the most prestigious institutions for students interested in pure sciences, research, and innovation.
With increasing competition, students are actively searching for:
- IISER IAT 2026 registration
- IISER entrance exam date
- How to prepare for IISER IAT
- IISER admission process
In this blog, we will cover everything you need to know about IISER IAT 2026, including important dates, eligibility, exam pattern, and preparation strategy.
IISER IAT 2026 β Important Dates
The official schedule for IISER IAT 2026 has been announced.
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Application Start Date: March 5, 2026
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Last Date to Apply: April 13, 2026
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Correction Window: Mid-April 2026
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Admit Card Release: May 2026
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Exam Date: June 7, 2026 (9 AM β 12 PM)
Students are advised to complete their application early to avoid last-minute issues.
What is IISER IAT Exam?
The IISER Aptitude Test (IAT) is a national-level entrance exam conducted for admission into:
- IISERs (Berhampur, Bhopal, Kolkata, Mohali, Pune, Tirupati, Thiruvananthapuram)
- IISc Bangalore (selected programs)
- IIT Madras (BS programs)
It is the primary gateway for science students who want to build careers in:
- Research
- Scientific innovation
- Academia
- Data science and technology
IISER IAT 2026 Eligibility Criteria
Students must meet the following eligibility conditions:
Academic Qualification
- Must have passed Class 12 (Science stream) in 2024, 2025, or 2026
- Should have studied at least 3 subjects among:
- Physics
- Chemistry
- Mathematics
- Biology
Minimum Marks
- General/OBC/EWS: 60% aggregate
- SC/ST/PwD: 55% aggregateΒ
IISER IAT 2026 Exam Pattern
Understanding the exam pattern is crucial for preparation.
Mode of Exam
- Computer-Based Test (CBT)
Duration
- 3 hours (9 AM to 12 PM)
Subjects Covered
- Physics
- Chemistry
- Mathematics
- Biology
Question Type
- Multiple Choice Questions (MCQs)
Students are tested on conceptual understanding rather than rote learning.
IISER IAT 2026 Application Process
Follow these steps to apply:
- Visit official website: iiseradmission.in
- Register with email and mobile number
- Fill application form
- Upload required documents
- Pay application fee
- Submit and download confirmation
Application fee (approx.):
- βΉ2000 (General/OBC/EWS)
- βΉ1000 (SC/ST/PwD)Β
Why Choose IISER?
IISERs are among the top science institutes in India.
Key advantages:
β Research-focused education
β Integrated BS-MS programs
β Exposure to advanced laboratories
β Opportunities for international research
β Strong career prospects in science and technology
Graduates often pursue:
- PhD in India/abroad
- Research roles
- Data science careers
- Academic careers
IISER vs JEE vs NEET β What Should You Choose?
Students often get confused between JEE, NEET, and IISER.
Choose IISER if:
- You love pure science concepts
- Interested in research and innovation
- Want long-term academic/scientific career
Choose JEE if:
- You enjoy mathematics and engineering
Choose NEET if:
- You are interested in medical and healthcare fields
Preparation Strategy for IISER IAT 2026
To crack IISER IAT, students must focus on conceptual clarity and application-based learning.
Focus on NCERT Basics
Most questions are based on NCERT concepts
Practice Conceptual Questions
IISER exam tests understanding, not memorization
Solve Previous Year Papers
Helps in understanding:
- Difficulty level
- Question pattern
Time Management
Practice solving full-length mock tests
Balance All Subjects
Donβt ignore any subject β weightage is balanced
IISER Preparation Support in Thane
Students preparing for IISER along with JEE and NEET often benefit from structured coaching.
Institutes like School Toppers provide:
- Strong conceptual teaching
- Test series and performance analysis
- Mentoring by experienced faculty
Under the guidance of Akhil Tewari (IITian & Author β Rank Up Physics, MTG), students develop strong fundamentals in Physics and problem-solving.
Common Mistakes to Avoid
β Ignoring NCERT
β Skipping mock tests
β Focusing only on one subject
β Starting preparation late
Conclusion
The IISER IAT 2026 registration marks the beginning of an exciting opportunity for science students.
Students who:
β Start early
β Build strong concepts
β Practice regularly
have a high chance of success in this competitive exam.
IISER is an excellent choice for students aiming for careers in research, innovation, and advanced science fields.
FAQ Section
When does IISER IAT 2026 registration start?
Registration started on March 5, 2026.
What is the last date to apply for IISER 2026?
The last date is April 13, 2026.
When is IISER IAT 2026 exam?
The exam will be conducted on June 7, 2026.
Is IISER exam tougher than JEE?
It is different. IISER focuses more on conceptual understanding, while JEE emphasizes problem-solving and speed.
Can PCB students apply for IISER?
Yes, PCB students can apply as Biology is included in the exam.
Which is better: IISER or IIT?
Both are excellent.
- IISER β Research & Science
- IIT β Engineering & Technology


