1. Council of Scientific & Industrial Research (CSIR)−Central Salt and Marine Chemicals Research Institute (CSMCRI), Gijubhai Badheka Marg, Bhavnagar364002, India
2. Department of Physics, Maharaja Krishnakumarsinhji Bhavnagar University, Bhavnagar364002, India
3. Academy of Scientific and Innovative Research (AcSIR), Ghaziabad201002, India