1. Department of Chemistry, The University of Burdwan, Burdwan-713104, WB, India
2. Chemical Sciences Laboratory, Government General Degree College, Singur, Hooghly-712409, WB, India
3. Department of Chemistry, M.M.A.M.C., Tribhuvan University, Biratnagar 56613, Nepal
4. Department of Applied Chemistry, Aligarh Muslim University, Aligarh-202002, India