Hello Aspirant,
See your Gen-EWS certificate which you have to upload in your JEE-Main application form should be issued after April 1st 2020 for this session 2020-21 and also note that EWS certificate is only valid for one year so after one year you have to renew it.
On December 16th 2020 the application process for JEE-Main 2021 February attempt has been started by National Testing Agency (NTA) which is the conducting authority for JEE-Main 2021. You can apply for JEE-Main from the official portal of JEE-Main which is given below :-
https://jeemain.nta.nic.in/webinfo2021/Page/Page?PageId=1&LangId=P
Note that this application process will continues till January 16th 2021 and last date for payment of application fee is January 17th 2021 after which neither application nor application fee will be accepted and then after the correction window will be opened for the applicants from January 19th to January 21st 2021. Admit cards will be available for download from second week of February 2021 and the examination will be conducted from February 23rd to February 26th 2021 in two shifts per day, for February attempt.
A candidate will also have option to apply for one Session or more than one Session (February/ March /April /May 2021) together and pay exam fee accordingly. In other words, if a candidate wishes to apply only for one Session, he / she has to pay Examination Fee only for that Session during the current application period and will have opportunity to apply again for the March/ April / May Sessions.
Some insights of JEE-Main 2021 :-
This year JEE-Main is being conducted with slight changes in it's pattern and it's conduction and you can check out all the changes from the link given below :-
https://engineering.careers360.com/exams/jee-main
I hope this information helps you.
Good Luck!!
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