1. Department of EEE Gokaraju Rangaraju Institute of Engg. & Tech Kukatpally Hyderabad Telangana 500090 India
2. Research Scholar, Koneru Lakshmaiah Education Foundation/ Asst. Professor, Department of EEE Gokaraju Rangaraju Institute of Engg. & Tech Bachupally Hyderabad Telangana India
3. Department of EEE Koneru Lakshmaiah Education Foundation Vaddeswaram Guntur Andhra Pradesh 522502 India