1. Department of Chemistry, Jhargram Raj College, Jhargram, West Bengal 721507, India
2. Department of Chemistry, IIT(ISM) Dhanbad, Dhanbad 826004, India
3. Department of Botany Barasat Government College, Kolkata, India
4. Department of Chemistry, Bidhannagar College, Kolkata, India
5. Department of Chemistry, GGDC, Dantan-II, Kashmuli, Paschim Medinipur, India
6. Department of Chemistry, Hooghly Mohsin College, Hoogly, India