i passed my 12 in 2018 so can i fill the form of iiser

Hi there hope you are doing well.
Sorry but you cannot apply for iiser 2020 Examination as it is mentioned in their official website that students who has passed class 12 in 2019 and 2020 .but you can apply for JEE mains this year and other state level Engineering entrance exam.hope this will you.
Good luck.

Hello there. Hope you are doing good. I would like to tell you that candidates who have passed 10+2 or equivalent exam with science stream in 2019 or 2020 are eligible to apply for admissions. Since you are 2018 batch passout, so you will not be eligible for IISER Admission.

If you need any additional information, you can follow the link given below:-

http://www.iiseradmission.in/index.php/pages/eligibility#:~:targetText=Candidates%20who%20have%20passed%2010,only%20through%20following%20three%20channels.

I hope you found this answer helpful. Good luck for your future.

Candidates who have passed 10+2 or equivalent level exam with science stream in 2019 or 2020 are eligible to apply for admissions. Candidates will be admitted to IISER only through following three channels.

Kishore Vaigyanik Protsahan Yojana (KVPY) channel

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

State and Central Boards Channel (SCB)

These channels will be referred to as KVPY, JEE, and SCB, respectively.

Indian nationals and students belonging to PIO or OCI category are eligible to apply provided they satisfy the eligibility criteria described below.

KVPY Channel

Candidates having a valid KVPY fellowship commencing from 2020-21 academic session are eligible to apply for admissions. Additional cut-off criteria for marks obtained in 10+2 board examination is also applicable.

JEE-Advanced Channel

Candidates in General category securing a rank within 10000 in the Common Rank List (CRL) of JEE Advanced 2020 are eligible to apply. For candidates belonging to the reserved category (OBC-NC, SC, ST, PD), their category rank should be within 10000. Additional cut-off criteria for marks obtained in 10+2 board examination is also applicable.

SCB Channel

Students who have passed 10+2 level with science stream in 2019 or 2020 are eligible to apply for admissions and appear for IAT 2020.

However, they will be considered for admissions to the degree programmes only if they obtain the cut-off marks specified for their board.

Students applying through SCB channel will have to appear in the IISER Aptitude Test (IAT) which will be conducted at various centres across the country

Hence you are not eligible to apply

Hello Aspirant,

yes you can fill the form for IISER as the eligibility criteria say:

Candidates who have passed 10+2 or equivalent level exam with science stream in 2019 or 2020 are eligible to apply for admissions. Candidates will be admitted to IISER only through following three channels.

1. Kishore Vaigyanik Protsahan Yojana ( KVPY ) channel
2. Joint Entrance Examination ( JEE-Advanced ) of the Indian Institutes of Technology
3. State and Central Boards Channel ( SCB )

These channels will be referred to as KVPY, JEE, and SCB, respectively.

Indian nationals and students belonging to PIO or OCI category are eligible to apply provided they satisfy the eligibility criteria described below.

And you have already passed your 10+2  ,so you are eligible.

so GOOD LUCK ! for your exams.