1. Department of Chemistry, Mepco Schlenk Engineering College, Sivakasi, India
2. Research Department of Chemistry, VHNSN College, Virudhunagar, India
3. Department of Chemistry, Noorul Islam Centre for Higher Education, Kumaracoil, Tamil Nadu, India
4. Department of Chemistry, Kakatiya University, Warangal, India
5. Department of Nature Sciences, University of Pitesti, Pitesti, Romania