1. Department of Chemistry, Kings Engineering College, Chennai, India
2. Department of Physics, Panimalar Engineering College, Chennai, India
3. Department of Chemistry, Annamalai University, Chidambaram, India
4. Department of Chemistry, Bharathiar University, Coimbatore, India
5. Department of Physics, Agni College of Technology, Chennai, India
6. Department of Mathematics, Panimalar Engineering College, Chennai, India