Hello Jishnu,
You can download the previous years (2018) as well as 2017's JEE Main Paper 2 from the below mentioned link. The article also consist of the answer keys having the correct answers to the questions asked in the examination.
Link: https://engineering.careers360.com/articles/jee-main-paper-2-answer-key
Please comment below for further assistance.
All the best!
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile