1. Department of Electronics and Communication Engineering, National Institute of Technology Arunachal Pradesh, Ministry of Human Resource Development (Government of India), Yupia, Papum Pare 791112, Arunachal Pradesh, India
2. Institute of Radio Physics and Electronics, University of Calcutta, Kolkata 700009, West Bengal, India
3. Department of Physics, School of Natural Sciences, Shiv Nadar University, Gautam Buddha Nagar 201314, Uttar Pradesh, India
4. Nanotechnology and Integrated Bioengineering Centre, School of Engineering, University of Ulster, Jordanstown Campus, Newtownabbey, Antrim BT37 OQB, Northern Ireland, UK