You can follow our online classes. It provides viddeo lectures from the experts, it also connducts weekly tests, mock tests, sample papers, doubt ssolving sessions and covers all the topic for all the subjects with both boards and entrance examination point of view. Here is the knockout package link for the same...

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

https://learn.careers360.com/

Here is the link to best books for pcm ...

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

Best wishes. Thank you.