1. Postgraduate and Research Department of Chemistry, Jamal Mohamed College; Bharathidasan University; Tiruchirappalli Tamil Nadu 620020 India
2. Department of Chemistry; Vignan's Foundation for Science, Technology and Research - VFSTR (Deemed to be University); Vadlamudi Guntur Andhra Pradesh 522 213 India
3. School of Chemical Sciences; Kannur University; Payyanur Campus, Edat P.O Kannur Kerala 670327 India
4. Postgraduate and Research Department of Chemistry, Kasaragod Government College; Kannur University; Kasaragod Kerala 671123 India
5. Department of Nanotechnology; Visvesvaraya Technological University; CPGS Muddenahalli 562 101 India
6. Centre for Material Science; University of Mysore, Manasagangotri; Mysuru Karnataka 570 006 India