1. Department of Chemistry, Visva-Bharati (Central University), Santiniketan 731235, WB, India
2. Department of Zoology, Visva-Bharati (Central University), Santiniketan 731235, WB, India
3. Department of Chemistry, Rammohan College, Kolkata 700009, WB, India
4. Department of Chemistry, Sidho-Kanho-Birsha University, Purulia 723104, WB, India
5. Department of Chemistry, University College of Science and Technology, University of Calcutta, 92, Acharya Prafulla Chandra Road, Kolkata 700009, WB, India