Dear Student,

The official and final answer keys of all the JEE Mains 2021 february sessions has already released on the official website of JEE Mains 2021.You can visit below and click on final answer keys(Feb)

https://jeemain.nta.nic.in/webinfo2021/Page/Page?PageId=1&LangId=P

You can also visit below for questions and answers of jee mains February session

https://engineering.careers360.com/articles/jee-main-answer-key/amp

Thanks