1. Department of Chemistry University of North Bengal, Raja Rammohunpur Darjeeling 734013 (W.B) India
2. Department of Chemistry, Faculty of Engineering &Technology Veer Bahadur Singh Purvanchal University Jaunpur 222003 (U.) India
3. Department of Chemistry, Molecular simulation Laboratory National Institute of Technology Rourkela, Rourkela Odisha 769008 India