1. Department of Chemistry, Cooch Behar Panchanan Barma University, Cooch Behar, West Bengal, 736101, India
2. Department of Chemistry, Pakuahat A. N. M. High School, Malda, India 732138
3. Department of Chemistry, Milki High School, Milki, Malda, West Bengal, India 732209
4. Department of Chemistry, National Institute of Technology Sikkim. Barfung Block, Ravangla, South Sikkim, Sikkim, 737139, India
5. Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
6. Department of Biological and Chemical Engineering, Aarhus University, Aarhus C, Denmark
7. Department of Chemical Engineering, School of Mining, Metallurgy and Chemical Engineering, University of Johannesburg, P. O. Box 17011, Doornfontein 2028, South Africa