Indian Institutes of Science Education and Research (IISER) Aptitude Test (IAT) 2025
IISER Aptitude Test (IAT) 2025 Overview
– Exam Date: May 25, 2025
– Mode of Examination: Computer-Based Test (CBT)
– Duration: 3 hours
– Total Marks: 240
– Question Type: Multiple Choice Questions (MCQs)
– Subjects: Physics, Chemistry, Mathematics, Biology (15 questions each)
Eligibility Criteria
– Nationality: Indian nationals, Persons of Indian Origin (PIO), or Overseas Citizens of India (OCI)
– Educational Qualification: Candidates must have passed Class XII or equivalent examination in
2022, 2023, or appearing in 2025 with science stream
– Minimum Marks: 60% for General/OBC-NCL/EWS candidates; 55% for SC/ST/PwD candidates
Application Process
Application Period: March 5, 2025, to April 15, 2025
– Application Fee:- General/OBC-NCL/EWS: Rs.2,000
– SC/ST/PwD/Kashmiri Migrants: Rs.1,000
– Mode of Payment: Online through net banking, credit card, or debit card
Admit Card
Availability: May 15, 2025
– How to Download: Candidates can download their admit cards by logging into the official IISER
admission portal using their credentials
Exam Pattern
Total Questions: 60 (15 from each subject)
– Marking Scheme:
– Correct Answer: +4 marks
– Incorrect Answer: -1 mark
– Unanswered: 0 marks
Syllabus
The syllabus for IAT 2025 is based on the NCERT curriculum for Classes XI and XII. Key topics
include:
– Physics: Kinematics, Laws of Motion, Work, Energy and Power, Thermodynamics, Oscillations and
Waves, Electrostatics, Current Electricity, Magnetism, Optics, Modern Physics
– Chemistry: Atomic Structure, Chemical Bonding, Thermodynamics, Equilibrium, Organic
Chemistry, Coordination Compounds, Biomolecules
– Mathematics: Algebra, Trigonometry, Calculus, Coordinate Geometry, Probability, Vectors,
Matrices and Determinants
– Biology: Cell Structure and Function, Genetics and Evolution, Human Physiology, PlantPhysiology, Ecology and Environment
Seat Matrix
The total number of seats available across all IISERs for the BS-MS/BS programs is approximately
2,363. The distribution is as follows:
– IISER Berhampur: 200 seats
– IISER Bhopal: 260 seats
– IISER Kolkata: 250 seats
– IISER Mohali: 250 seats
– IISER Pune: 288 seats
– IISER Thiruvananthapuram: 200 seats
– IISER Tirupati: 200 seats
Counseling and Admission
Result Declaration: June 2025
– Counseling Process: Online counseling based on IAT ranks
– Seat Allotment: Based on merit and preferences filled during counseling
IISER Berhampur Admission Details
Programs Offered
– BS-MS Dual Degree Program: A 5-year program integrating undergraduate and postgraduate
studies in science
– Ph.D. Program: Doctoral programs in various disciplines including Biological Sciences, Chemical
Sciences, Earth & Environmental Sciences, Mathematical Sciences, Physical Sciences, and
Computational Data SciencesBS-MS Admission
– Eligibility:
– Passed Class XII or equivalent in science stream in 2022, 2023, or appearing in 2025
– Minimum 60% marks (55% for SC/ST/PwD candidates)
– Must qualify the IISER Aptitude Test (IAT) 2025
– Admission Process:
– Apply through the IISER admission portal
– Appear for IAT 2025
– Participate in online counseling based on IAT rank
Ph.D. Admission
– Eligibility:
– Master’s degree in a relevant discipline
– Valid score in national-level examinations such as
NET/GATE/UGC-JRF/CSIR-JRF/DBT/ICMR/NET-LS/INSPIRE-Ph.D./Rajiv Gandhi
Fellowship/JGEEBILS
– Admission Process:
– Apply through the IISER Berhampur portal
– Shortlisted candidates will be called for an interview
– Final selection based on performance in the interview and academic credentials