Hello Aspirant,

IISER merit list will be given in 2 methods. One is students applying through KVPY and jee advanced channel .This merit list will be prepared on the basis of marks secured by the candidates in KVPY (marks in 10+2 and KVPY fellowship) and JEE Advanced 2020. Other is SCB channel appearing for aptitude test.This merit list will be prepared on the basis of marks secured by the candidates in IISER 2020 aptitude test. 50% of the seats are reserved for candidates qualifying the IISER aptitude test.

Students who get above minimum marks mentioned by above channels will be able to get the seat. We can't definitely say with this percentile you will get seat. It all depends on authorities giving cut off.

Use below link for more information.

https://engineering.careers360.com/articles/iiser-merit-list-and-cutoff/amp