Hello,

Candidates should have obtained a minimum of 75% marks in class 12 or equivalent exam are eligible to give Joint Entrance Examination main.  For SC/ ST, the eligibility is to obtain a minimum of 65% marks in class 12 or equivalent. so you are eligible to give JEE main 2020. Depending on you JEE main score you will be eligible to give JEE advance. Please click the below link to know more.

https://engineering.careers360.com/articles/jee-advanced-eligibility-criteria