IISER Counselling 2025: Round 4 seat allotment postponed to August 18

The Indian Institutes of Science Education and Research (IISERs) have postponed the seat allotment for the fourth round of IISER counselling 2025 based on IISER Aptitude Test (IAT) to August 18. As per the revised IISER IAT counselling 2025 schedule, the admission offers will be opened between August 18 and 21 on iiseradmission.in.

Candidates will be able to check their IISER admission offers using their user ID and password. The seats will be allotted based on the availability of seats at IISER in each round, IAT rank obtained by the candidate, IISER preferences, and candidate’s category.

During the revised timeline, seat allotted candidates will be required to accept or reject the seat. If a candidate receives the seat with “accept and float” or “accept and freeze” option, he or she must pay the seat acceptance fee of Rs 35,000 (Rs 17,500 for SC, ST categories).

Also read IIT Madras launches new BS, BTech, MTech courses for 2025-26; entry through JEE, GATE, IISER IAT

IISER admissions 2025 are being held in four rounds for admissions to five-year integrated Bachelor of Science-Master of Science (BS-MS), four-year BS Economics, and BTech programmes. A total of 2,363 seats are available in the IISER campuses – Berhampur, Bhopal, Kolkata, Mohali, Pune, Thiruvananthapuram, and Tirupati.

IISER IAT Cut-off 2025: Round 3 closing ranks

The category-wise IAT closing ranks for BS-MS, BTech courses at IISERs are given below.