Hi Rohit

The best books for GATE preparation are:

• Higher Engineering Mathematics by B.S.Grewal

• Engineering Mathematics - Erwin Kreyszig

• Theory of Structure by CK Wang, S. Rammamrutham, L.S. Negi & Jangit
• Digital Design by Morris Mano
• Computer Architecture – A Quantitative Approach by Hennessy and Patterson
• The C Programming language by Dennis Richie
• Introduction to Algorithms by Cormen
  Data Structures & Algorithms by R.S. Salaria
• Machine design - V.B. Bhandari
• Fluid Mechanics by R K Bansal

Please refer to the following link to know all the books :

<a href="https://engineering.careers360.com/articles/what-are-best-books-for-gate-preparation

">What are the best books for GATE preparation</a>

You can also refer to the following link:

<a href="https://engineering.careers360.com/articles/how-to-prepare-for-gate">How to prepare for GATE 2018</a>

All the best!

Kindly share which particular branch you are preparing for?

Or you can also go through the belowlink to check the complete preparation tips for Gate and best books for the same -

https://engineering.careers360.com/articles/what-are-best-books-for-gate-preparation

Good Luck!!!