P.Raja is presently working as an Associate Professor in the Department of Electronics and Communication Engineering, Sri Manakula Vinayagar Engineering College, Pudhucherry. He graduated in ECE from University of Madras and secured his M.Tech from I.I.T – Madras, Chennai. He is in teaching profession for more than a decade now. He has authored number of Textbooks for UG level of various Universities. He is a life member of ISTE. His main area of interest includes Electronic Circuits, Digital Electronics, and Microprocessor and its Applications.