1. Department of EEE &Centre for Research and Innovation, K.S.R.M College of Engineering (Autonomous), Kadapa, India
2. Rural Energy Centre, The Gandhigram Rural Institute-Deemed to be University, Dindigul, Tamilnadu, India
3. Department of EEE, St. Peter's Engineering College (A), Hyderabad, India
4. Department of Electrical and Computer Engineering, Hawassa University, Awasa, Ethiopia