1. Electrical and Electronics Engineering Department, Birla Institute of Technology and Science-Pilani, Hyderabad Campus, Hyderabad, Telangana 500078, India
2. Materials Centre for Sustainable Energy & Environment, Birla Institute of Technology and Science-Pilani, Hyderabad Campus, Hyderabad, Telangana 500078, India
3. Electronics and Communication Engineering Department, SR University, Warangal, Telangana 506371, India