1. Department of Physics, Sri Jayachamarajendra College of Engineering, JSS Science and Technology University, Mysore, India
2. JSS Research Foundation, JSSTI Campus, Mysore, India
3. Department of Chemistry, Faculty of Education, Dhamar University, Dhamar, Yemen
4. Department of Polymer Science and Technology, Sri Jayachamarajendra College of Engineering, JSS Science & Technology University, Mysore, India