Hello,

Below are some books from which you can start your GATE preparation:

•How to Prepare for Quantitative Aptitude by Arun Sharma

•Verbal and Non-Verbal Reasoning by R.S. Aggarwal

•Higher Engineering Mathematics by B.S. Grewal

•An Insight into Chemical Engineering by M. Subbu

•Heat Transfer by JP Holman

•Geophysics by Telfrod

•Machine Design by VB Bhandari

I hope this helps,

Thank you