1. Department of Chemistry, Cotton University, Guwahati-781001, Assam, India
2. Departament de Química, Universitat de les Illes Balears, Crta de Valldemossa km 7.7, 07122 Palma de Mallorca (Baleares), Spain
3. Department of Zoology, Cell & Biochemical Technology Laboratory, Cotton University, Guwahati-781001, Assam, India