Hello Bhaskar,

You should reffer the below mentioned books in order to prepare for GATE Examination -

1. Mechanical Vibration - GK Grover

2. Design Of Machine Element - VB Bhandari

3. Engineering Mechanics  -  Beer and Jhonstton

4. Fluid Mechanics - RK Bansal

5. Heat & Mass Transfer - PK Nag

6. Engineering Thermodynamics - P.K. Nag

7. Internal Combustion Engine - V Ganesan

8. Refrigeration & Air Conditioning - CP Arora

9. Material Science - BC Punima

10. Production Engineering - Amitabh Ghosh

11. Industrial Engineering - Buffa and Sarin

12. Theory of Machine - A Ghosh & Malik