Hello.

Candidates need to have secured aminimum 75% marks in class XII orequivalent exam or be in the top 20 percentile in their class XII exam conducted by the respective board. For SC/ ST candidates, the eligibility criteria are to secure 65% marks in class XII or equivalent exam.

For more information go through this article below

https://www.google.com/amp/s/engineering.careers360.com/articles/jee-main-eligibility-criteria/amp

Hope this is helpful.

Good luck.