HC Verma helps you to build your concepts strong. It will also help you to brush up your concepts for 8th, 9th and 10th standard as well and Halliday and Resnick is basically for advanced level.

It is recommended if you have enough time you should read HC Verma first followed by Halliday and Resnick to get in depth knowledge of the subject and if you have less time you can read HC Verma.

Good Luck!!