Hello Sumeera Kunnath

The details of all the dates are mentioned below

The institutes that fall under the IISER 2020 are mentioned below

1. IISER Berhampur- 100 seats
2. IISER Bhopal- 250 seats(Basic Sciences – 200; Engineering Sciences – 50)
3. IISER Kolkata- 200 seats
4. IISER Pune- 225 seats
5. IISER Mohali- 200 seats
6. IISER Thiruvananthapuram- 200 seats
7. IISER Tirupati- 150 seats

Kindly check out the mentioned page regarding more information about IISER.

https://www.iiseradmission.in/faq/

Hope it helps you.