hellow ,my name is Nayan ,sir can we the exam directly after 12th ?

Hey Nayan,

Yes, you can give this exam directly. The official site states that candidates who have passed 10+2 or equivalent level exam with science stream in 2018 or 2019 are eligible to apply for admissions.

In addition to this admission to  IISER only through following three channels. These channels will be referred to as KVPY, JEE, and SCB, respectively.

• Kishore Vaigyanik Protsahan Yojana (KVPY) channel

Those who have fellowship under this programme.

• Joint Entrance Examination (JEE-Advanced) of the Indian Institutes of Technology

Candidates in General category securing a rank within 10000 in the Common Rank List (CRL) of JEE Advanced 2019 are eligible to apply. For candidates belonging to the reserved category (OBC-NC, SC, ST, PD), their category rank should be within 10000.

• State and Central Boards Channel (SCB)

Students who have passed 10+2 level with science stream, eligible to apply for admissions and appear for IAT 2019. IAT is a computer based examination.

In addition to all this, there is a cut-off list given for various education board. You can check it on this link https://www.iiseradmission.in/eligibility/

Dear Student,

Candidates who have passed 10+2 or equivalent level exam with science stream in 2018 or 2019 are eligible to apply for admissions. So. yes you can apply for it.