Which are the best book for National Thermal Power Corporation (NTPC) exam preparation? Here are the best preparation and reference books for the NTPC entrance exam recruitment that you will find. Explore! Helping you while preparing for the NTPC exam. Get books on NTPC Civil Engineering, Computer Science/ Information Technology (CS/IT), Electrical Engineering, Electronics and Communication Engineering, Finance, Instrumentation/Communication/Control Engineering, and Mechanical Engineering.