Hey there

If you fulfill the criteria of jee mains then you are eligible for the exam. For jee mains either you have passed or appearing 12th candidate. The maximum attempts for jee mains is in 3 consecutive years.

Check detailed eligibility for JEE mains

https://www.google.com/url?sa=t&source=web&rct=j&url=https://engineering.careers360.com/articles/jee-main-eligibility-criteria/amp&ved=2ahUKEwiPr6f_u8TlAhUimeYKHfcNCfkQFjAAegQIBRAE&usg=AOvVaw0Ddf__yVIUe0laa-JjEit-&ampcf=1

Good luck

JEE Mains is the entrance examination for admission to BE/B.Tech courses along with B.Arch/B.Planning. For this you should have completed your 10+2 in Physics, Chemistry and Mathematics. For 2020, the registrations for January session have been closed. You need to register for April session. NTA will open the registration window from February 8th to March 7th. The exam will be conducted from April 3rd to April 9th in online mode. For more information on important dates, eligibility criteria, please visit our page at: https://engineering.careers360.com/articles/jee-main-april