K. Raja Rajeswari, PhD is Principal, Viswanadha Institute of Technology and Management (VITAM), Visakhapatnam. Earlier she has served as Professor for about 35 years in the Department of Electronics and Communication Engineering, College of Engineering (Autonomous), Andhra University, Visakhapatnam. She has published more than 200 papers in IEE, IEEE and IETE journals and presented many papers in national and international conferences. Dr. Rajeswari is expert member for the Department of Science and Technology (DST), New Delhi under the women scientist scheme. She is also expert member for National Board of Accreditation (NBA), All India Council of Technical Education, New Delhi. Her research interests include radar/sonar signal processing and wireless mobile communications. She has guided eighteen Ph.Ds and presently twelve are pressuring under her guidance. She has published 3 books, Electronic Devices and Circuits; Electronic Circuit Analysis, and Signals and Systems.