Is HC Verma good for basics? Can a beginner understand this book, like dinesh or pradeep's?

Yes , H.C.Verma is very good for basics for IIT-JEE exam.

It is very simple to understand too and has challenging problems

Yes it is best to learn min basics.

Yes,it is a very good book for basics as well as iit.

For strong basics you must go through this book and try to solve the problems on self attempt.

ALL THE BEST!!!!!!!!!!!!