Following Dates have been announced in the news :
1) JEE(Main) 1st attempt -> April 16th to April 21st , 2022
2) JEE(Main) 2nd attempt -> May 24th to May 29th , 2022
3) Online applications for JEE(Main) : starts 1st March 2022, last date for submission is 31st March 2022
Time is flying, so prepare fast!