1. Department of Physics, Sri Venkateswara University, Tirupati, India
2. Department of Physics, Institute of Aeronautical Engineering, Hyderabad, Telangana, Hyderabad, India
3. Center of Excellence in Glass Technology and Materials Science (CEGM), Nakhon Pathom Rajabhat University, Nakhon Pathom, Thailand
4. Department of Electrical and Electronics Engineering, Institute of Aeronautical Engineering, Hyderabad, Telangana, Hyderabad, India