1. Department of Physics, Tezpur University, Assam, India 784028
2. New Technologies – Research Centre (NTC), University of West Bohemia, Pilsen 30100, Czech Republic
3. Academy of Scientific and Innovative Research (AcSIR), Ghaziabad – 201002, India
4. Agro-technology and Rural Development Division (ARRD), North East Institute of Science and Technology, Jorhat-785006, Assam, India