IISER Aptitude Test
Join the League of Future Scientists at IISERs
The IISER Aptitude Test (IAT) is the exclusive entrance exam for admission to the BS-MS dual degree programs at the seven Indian Institutes of Science Education and Research (IISERs), as well as programs at IISc Bangalore and IIT Madras. It is designed for students passionate about basic sciences and research.
Exam Level
National
Frequency
Once a year
Mode
Computer-Based
Conducted By
IISERs (Rotating)
About IAT
What is the IAT Exam?
The IAT is a computer-based screening test for students seeking admission to the 5-year BS-MS Dual Degree and 4-year BS programs at IISERs. It evaluates comprehensive understanding in Biology, Chemistry, Mathematics, and Physics, ensuring only the most dedicated science aspirants secure a seat in these institutes of national importance.
Why Take the IAT?
Qualifying the IAT is your ticket to world-class research facilities, highly qualified faculty, and an interdisciplinary curriculum. IISER graduates are highly sought after for PhDs globally. Additionally, it offers a pathway to IISc Bangalore, the country's top science institute, and select programs at IIT Madras.
Key Highlights
Admission to 7 IISERs + IISc
Interdisciplinary Science Curriculum
Access to Global PhD Opportunities
Computer-Based Test (CBT)
Interdisciplinary Science Curriculum
Admission to 7 IISERs + IISc
Sectional time limits enforced
60,000+
Annual Applicants
240
Maximum Score
60
Questions
7
IISER Campuses
Eligibility Criteria
Mandatory
Science Stream
10+2 with Science stream is mandatory
Mandatory
Passing Year
Must have passed Class 12 in current or previous year
Mandatory
Minimum Marks
60% aggregate marks (55% for SC/ST/PwD)
Mandatory
Subject Requirement
Must have studied at least 3 subjects from PCMB
Good to Know
Citizenship
Indian nationals, OCI, and PIO cardholders are eligible
Good to Know
Attempt Limit
Only two consecutive attempts allowed per candidate
Application Process
Register on iiseradmission.in
Upload Documents
Pay Application Fee
Fill Personal Details
Application Process
Select Exam City
Documents Required
Keep these documents ready before starting your application
Passport Size Photo
Class 10 Marksheet
Class 12 Marksheet (or appearing certificate)
PwD Certificate (if applicable)
Scanned Signature
Class 12 Marksheet
ID Proof (Aadhaar/Passport)
Scribe Request Letter (if required)
Exam Pattern
Understanding the structure and marking scheme
Biology (15 Qs)
Chemistry (15 Qs)
Physics (15 Qs)
Marking: +4 Correct, -1 Wrong
Total Questions: 60
Mathematics (15 Qs)
Duration: 3 Hours
Confused About Exam Selection?
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Important Dates
Keep note of the important dates regarding the examination.
April to May
May/June Annually
July Onwards
1 week before exam
June/July
Preparation
Tips
Balance all 4 subjects
Solve mock tests weekly
Time management is key
Start Prep
Analyze previous papers
Revise formulas daily
Solve mock tests weekly
Solve mock tests weekly
Top Colleges
IISER Pune
IISER Kolkata
IISER Mohali
IISER Bhopal
IISER Thiruvananthapuram
IISER Tirupati
IISER Berhampur
IISc Bangalore
IIT Madras (BS Medical)
No College
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