Hi aspirant,

As you belong to 2021 - 2022 batch of Class 12, you can write JEE Mains in 3 consecutive years and JEE Advanced 2 times from the year you complete your 12 th standard.

You must have passed 10 + 2 or equivalent exam from a recognised Board or College. You need to apply for JEE Mains exam through registering for it on their official website. This year two times exam will be conducted.

You can check out JEE Mains Knockout using below mentioned link.

https://learn.careers360.com/knockout-jee-main-april/

Best Books for preparation of JEE exam are listed below.

Physics:

--NCERT Physics Class XI & Class XII

--Concepts of Physics by H.C. Verma

Chemistry:

--NCERT Chemistry textbooks for Class XI and XII

--ABC of Chemistry for Classes 11 and 12 by Modern

--Organic Chemistry by OP Tandon

--Physical Chemistry by OP Tandon

Mathematics:

--Mathematics by Arihant Publications

--Objective Mathematics by R.D Sharma

--NCERT Mathematics Class XI and Class XII textbooks

To get more information go through below mentioned link.

https://engineering.careers360.com/articles/best-books-for-jee-main

May this information was helpful to you.

Best of Luck!!