hii

noo you cant be admitted through NEET whiile IISER takes by below mentioned ways

There are three channels of admission. Candidates will be admitted to IISER only through these channels.

Kishore Vaigyanik Protsahan Yojana (KVPY) channel

Joint Entrance Examination of Indian Institutes of Technology (JEE) channel

State and Central Boards Channel (SCB) channel

for more information

https://www.iiseradmission.in/?page_id=8

regards