1. Department of Chemistry, Government First Grade College, Kadur-577548, India
2. Department of Nanotechnology, Center for Postgraduate Studies, Visvesvaraya Technological University, Bengaluru Region, Muddenahalli, Ckikkaballapur-562 101, India
3. Department of Studies in Chemistry, University of Mysore, Manasagangotri, Mysore- 570006, India