Here are the preparation books for GATE CSE programme you can prefer given below:

Engineering Mathematics- by Kenneth Rosen

Digital Logic- by Morris Mano

Computer Organization and Architecture- by Hennessy and Patterson

Programming and Data Structures- by Dennis Richie

Algorithms- by Cormen

Theory of Computation- by Peter Linz

Compiler Design- by Aho & Ullman

Operating System- by Galvin

Databases- by Henry. F. Korth

Computer Networks- by Peterson & Davie

For further detail you can go through with given below link.

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

Good Luck!