Hello Dikshint,

Jee main 2021 dates still not conformed. They are likely to be announced on mid of November.

December 2020 application process will start If there is any correction in application you can do in December and they will issues admit card in January.

If there is any updates they will announce in thier official website which I have mentioned in below:

https://jeemain.nic.in

If you still have issues regarding this you can comment in below.

I hope it helps you.