1. Department of EEE, Jawaharlal Nehru Technological University, Anantapur, Anantapur, Andhra Pradesh, India
2. Department of EEE, Sree VidyaNikethan Engineering College, Tirupati, Andhra Pradesh, India
3. Department of EEE, Gayatri Vidya Parishad College of Engineering (A), Visakhapatnam, Andhra Pradesh, India