Associate Professor, Department of Electronics and Communication Engineering, Sree Vidyanikethan Engineering College, Tirupathi, India, Assistant Professor, Department of Electrical and Electronics Engineering, Nandha Engineering College, Erode, India, Assistant Professor (Sr.Gr.), Department of Electronics and Communication Engineering, Ramco Institute of Technology, Rajapalayam, India. and Associate Professor, Department of Electronics and Communication Engineering, Holy Mary Institute of Technology & Science, Hyderabad, India