For national level competitive entrance examinations especially like JEE MAINS, you cannot get satisfied and cannot find like these things will be enough or this should be enough. You need to keep practicing as much as you can so that basics become stronger and you get experienced with time. So as of now whatever materials you have, continue with them.. and as soon as you keep finishing your targets on time, find new mcq books and new mock test papers too to increase your confidence level.

Also do check out our materials - we provide videos for your doubts to be cleared on every topic and also weekly and mock test papers -

There are the links below. Do check out them.

https://learn.careers360.com/

https://engineering.careers360.com/articles/jee-main-preparation-tips

Best wishes. Thank you.