1. Vignan's Institute of Engineering for Women, Visakhapatnam, India
2. Department of Physics, Vignan’s Institute of Information Technology (VIIT-A), Visakhapatnam, India
3. Wellfare Institute of Science, Technology and Management, Visakhapatnam, India
4. School of Technology, GITAM University, Bengaluru, India
5. Department of Physics, Andhra University, Visakhapatnam, India