1. Department of Physics
2. PSG College of Arts & Science
3. Coimbatore 641 014
4. India
5. National Chung Hsing University
6. Taichung City 402
7. Taiwan
8. Innovation and Development Center of Sustainable Agriculture (IDCSA)
9. Nanotechnology Research Lab
10. Kongunadu Arts and Science College
11. Coimbatore 641 029
12. Department of Energy Studies
13. Periyar University
14. Salem 636 011