1. Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
2. Inorganic Materials and Catalysis Division CSIR-Central Salt & Marine Chemicals Research Institute G.B. Marg Bhavnagar 364002 Gujarat India
3. Department of Chemical Sciences Tezpur University Assam 784028 India
4. Department of Chemistry Cotton University Guwahati 781001 Assam India