1. Department of Chemistry, SRM Valliammai Engineering College, Kattankulathur, Chennai, Tamil Nadu, India
2. PG and Research Department of Zoology, Kongunadu Arts and Science College, Coimbatore, Tamil Nadu, India
3. Department of Physics, Dr. MGR Educational and Research Institute, Chennai, Tamil Nadu, India
4. Optics and Photonic Lab (SISFOTON-UFMS), UFMS – Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil
5. Department of Physics, Dr. Ambedkar Government Arts College, Chennai, Tamil Nadu, India
6. Department of Chemistry, St. Joseph’s College of Engineering, Chennai, Tamil Nadu, India