1. Analytical and Applied Chemistry Division, CSIR-National Metallurgical Laboratory, Jamshedpur-831007, India
2. Centre for the Environment, Indian Institute of Technology, Guwahati-781039, India
3. Department of Chemistry, Indian Institute of Technology, Guwahati-781039, India
4. Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India