1. Department of Physics, B. S. Abdur RahmanCrescent Institute of Science and Technology, Chennai, India
2. Department of Applied Sciences, Institute of Technology, Zakura Campus, University of Kashmir- 190006, Srinagar, India
3. Department of Physics, National Institute of Technology, Oslo, India
4. Energy and Biophotonics Laboratory, Department of Physics, Amet (Deemed to Be University), Chennai, India
5. The Research Center for X- Tamkang University, Taipei, Taiwan