Hi

The application Window will be reopened just after the declaration of February session results and that time one can apply for March session and the rest of the sessions as well, similarly application window will get reopened after march session results and that time one can apply for April session and May session also . Finally application window will get opened for the last time after April session results and that time one can apply for May session.

The tentative dates for JEE main March 2021 is provided below:-

-)JEE Main March session application form will be released in the first week of March 2021, so you can apply for March session in the first week of March

-) admit card will  be released in the
2nd week of March 2021

-) JEE Main 2021 March exam will be conducted from 15th March to 18th March 2021

-) result will be announced in the last week of March 2021

You can check the same at
https://engineering.careers360.com/articles/jee-main-exam-dates

Now that,
limited time is left for jee mains 2021 , so you should be focusing on your preparation
-)go through chapters ,revise them by practising questions,
-) go through previous year question ,concepts are often repeated in examination so solving previous year question papers will be of great help
-)solve mock test papers as it will let you know your preparation level and and weak areas so that you can work on them and perform well in your examination.

For details about JEE main you can check out our page the link is provided below:-
https://engineering.careers360.com/exams/jee-main

If you have any other doubt then you can always reach us to clear them :) we are always available to help you out and guide you

Thankyou