Hello Aspirant,

IISER admission is conducted through three channels- KVPY, SCB and JEE.

Kishore Vaigyanik Protsahan Yojana (KVPY) – Candidates are offered admission on the basis of valid KVPY fellowship.

State and Central Boards Channel (SCB) channel – Candidates opting for this channel had to appear in an aptitude test, the details of which are given below.

Joint Entrance Examination of Indian Institutes of Technology (JEE) channel – Candidates with valid JEE Advanced scores are eligible for direct admission.

You can check the further detail to go through with the given below link.

https://engineering.careers360.com/articles/iiser-admission

Good Luck!