Hello!

1. Most surely, studying regularly with disciplined approach will help you a lot.
2. Highlighting important aspects of each and every concept, being regular and up to date with your revisions, try giving mock tests, or try solving past papers or sample papers which will help you.

I am providing you with a link which has all the aspects covered as for the books for the examination. Please go through the link below!

Best Books for GPAT 2022 Preparation - Tips Tricks & GPAT Books (careers360.com)

Also here is the link to the sample and past question papers for your mock practices:

GPAT Question Papers 2022, 21, 20, 19, 18 & More: Download NTA GPAT Questions & Solutions Here (careers360.com)

I hope this was helpful, do revert back if you have anymore questions.