Electronics: Sedra smith, Behzad Razavi, Robert Boylestad.

Communications: B.P. Lathi, Simon Haykin,

Signals and Systems: Oppenheim

Digital Electronics: Morris Mono, Anand Kumar

Microprocessors : Ramesh Gaonkar

Control Systems : Nagrath

Linear Integrated Circuits Roy Choudary

Electromagnetics: Sadiku

Kindly refer these books , inspite of these refer previous year question paper.