1. Department of Education in Science and Mathematics (DESM) Regional Institute of Education NCERT Ajmer Rajasthan 305004 India
2. COE on Solar Cells & Renewable Energy Sharda University Greater Noida Uttar Pradesh 201310 India
3. Faculty of Bioengineering and Technology Universiti Malaysia Kelantan Locked Bag No. 100 Jeli Kelantan 17600 Malaysia
4. Faculty of Applied Sciences Universiti Teknologi MARA UiTM Shah Alam Selangor 40450 Malaysia
5. Experimental Research Laboratory Department of Physics ARSD College University of Delhi New Delhi 110021 India