Hii Nijash,

there is no any age limit criteria for IISER .

you will have to see the age limit of the board by which you are going in IISER.

for more information please go through the given link-

https://engineering.careers360.com/articles/iiser-eligibility-criteria

hope you understand

thank you

Hello.

A student can take admission into IISER through Jee Advanced or KVPY.

There is no age limit for candidates attempting Jee Advanced, for KVPY only students until first year of basic sciences undergraduate program can apply.

Hope this helps.