1. Department of Chemistry; Coimbatore Institute of Technology; Coimbatore 641 014 Tamil Nadu India
2. Department of Chemical Engineering; Coimbatore Institute of Technology; Coimbatore 641 014 Tamil Nadu India
3. Department of Chemistry; Oxford Engineering College; Tiruchirappalli 620 009 Tamil Nadu India
4. Department of Chemistry; Karpagam Institute of Technology; Coimbatore 641 105 Tamil Nadu India
5. PG & Research Department of Chemistry; Jamal Mohamed College (Autonomous); Tiruchirappalli 620 020 Tamil Nadu India