All About IAT 2026 | IISER Aptitude Test complete information
IAT 2026 Complete Guide
IISER Aptitude Test – Your Gateway to Premier Science Education
What is IAT 2026?
Full Form: IISER Aptitude Test
Conducted By: IISER Admissions Committee
Exam Level: National Level Entrance Exam
Purpose: Admission to Indian Institutes of Science Education and Research (IISERs)
Mode: Computer-Based Test (CBT)
The IISER Aptitude Test is a prestigious national-level entrance examination conducted for admission to the BS-MS dual degree programs and other undergraduate programs at seven IISER campuses across India.
About IISERs
IISER stands for Indian Institute of Science Education and Research. These are premier autonomous science research and education institutes established by the Ministry of Education, Government of India. IISERs are recognized as Institutes of National Importance under the IISER Act 2010.
Key Features: IISERs focus on integrated BS-MS programs that combine teaching with research, offering cutting-edge research facilities and an interdisciplinary approach to science education.
7 IISER Campuses Across India
IISER Pune
Maharashtra (Est. 2006)
NIRF Rank: 29
IISER Kolkata
West Bengal (Est. 2006)
NIRF Rank: 38
IISER Mohali
Punjab (Est. 2007)
NIRF Rank: 49
IISER Bhopal
Madhya Pradesh (Est. 2008)
IISER Thiruvananthapuram
Kerala (Est. 2008)
IISER Tirupati
Andhra Pradesh (Est. 2015)
IISER Berhampur
Odisha (Est. 2016)
Courses Offered at IISERs
1. BS-MS Dual Degree (5 Years) – Flagship Program
Available at all 7 IISERs
Integrated Bachelor’s and Master’s degree program
Combines undergraduate and postgraduate education with research opportunities
2. BS Program (4 Years)
Available at IISER Bhopal and IISER Tirupati
Option to extend to BS-MS by adding 1 additional year
3. PhD Programs
Research-focused doctoral programs for advanced studies
IAT 2026 Seat Matrix
BS-MS Program Seats
| IISER Campus | Program | Number of Seats |
|---|---|---|
| IISER Berhampur | BS-MS | 300 |
| IISER Bhopal | BS-MS | 300 |
| IISER Kolkata | BS-MS | 280 |
| IISER Kolkata | BS-MS in Computational and Data Sciences | 30 |
| IISER Mohali | BS-MS | 270 |
| IISER Pune | BS-MS | 288 |
| IISER Tirupati | BS-MS | 350 |
| IISER Thiruvananthapuram | BS-MS | 320 |
B.Tech and BS Program Seats
| IISER Campus | Program | Number of Seats |
|---|---|---|
| IISER Bhopal | B.Tech | 140 |
| IISER Bhopal | BS in Economic Sciences | 35 |
| IISER Tirupati | BS in Economic and Statistical Sciences | 50 |
Total Seats Across All IISERs: 2,363
IAT 2026 Eligibility Criteria
Academic Qualifications
Class 12 Status: Candidates must have passed Class 12 in 2024, 2025, or appearing in 2026
Subject Requirements
Must be from Science stream
Minimum 3 subjects required from: Physics, Chemistry, Mathematics, Biology
Minimum Marks in Class 12
| Category | Minimum Aggregate Marks |
|---|---|
| General / OBC / EWS | 60% |
| SC / ST / PwD | 55% |
IAT 2026 Important Dates
Notification Release
January 2026 (Last week)
Application Form Opens
March 2026 (2nd week)
Last Date to Apply
April 2026 (3rd week)
Application Corrections
April 2026 (Last week)
Admit Card Release
May 2026 (3rd week)
IAT 2026 Exam Date
May 2026 (Last week)
Answer Key Release
May 2026 (Same day as exam)
Result Declaration
June 2026
Counselling Process
June-July 2026
IAT 2026 Exam Pattern
Mode
Computer-Based Test (CBT)
Duration
3 Hours (180 minutes)
Total Questions
60 MCQs
Total Marks
240 Marks
Question Type
Multiple Choice Questions
Languages
English & Hindi
IAT 2026 Application Fee
| Category | Application Fee |
|---|---|
| General, EWS, OBC, OBC-NCL | Rs. 2,000 |
| Persons with Disabilities (PwD), Kashmiri Migrants, Kashmiri Pandit (Non-Migrant), SC/ST | Rs. 1,000 |
| Foreign National | Rs. 12,000 |
Start Your Journey to Excellence
IAT 2026 is your opportunity to join India’s premier science research institutes. Prepare well and secure your future in scientific research and innovation!
