1. Department of Chemistry, College of Science, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
2. Thushara, Kollam, India
3. Stemskills Research and Education Lab Private Limited, Faridabad, India
4. Department of Physics, Indo-American College, Cheyyar, India
5. Department of Physics, Thiru A Govindasamy Govt. Arts College, Tindivanam, India