hi,

the cutoff to appear in  jee advance exam,

Common Rank List (CRL)   90.3765335

(EWS)  70.2435518

Other Backward Class (OBC-NCL)  72.8887969

Scheduled Caste (SC)  50.1760245

Scheduled Tribe (ST)  39.0696101

People with Disability (PwD) 0.0618524

however jee main exam can be attempted three times starting from the year of passing 12th exam. so you are eligible to appear in jee main exam on 2021.

but jee advance can be attempted consecutively two times starting from the year of hs passing . since you have passed hs on 2019, you may appear in jee advance exam for 2019, 2020. so you are not eligible to appear in jee advance 2021.

however You may use Careers360 college predictor tool to know your predictable colleges

Jee main college predictor 2020

https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer