1. Department of Physics, Rajalakshmi Engineering College (Autonomous), Chennai, India
2. Department of Physics, S.A. Engineering College (Autonomous), Chennai, India
3. Department of Chemistry, Panimalar Engineering College, Chennai, India
4. Department of Physics and Research Centre, Women’s Christian College, Nagercoil, India
5. Department of Physics, Fatima College, Madurai, India
6. Department of Physics, Vel Tech High Tech Dr. Rangarajan Dr. Sakunthala Engineering College (Autonomous), Chennai, India
7. Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
8. Institute of Inorganic Chemistry, Karlsruhe Institute of Technology, Karlsruhe, Germany
9. Department of Physics, Arignar Anna Govt. Arts College, Cheyyar, India