1. Departmrent of Physics, Advanced Functional Smart Materials Laboratory, School of Physical Sciences, DIT University, Dehradun, India
2. Department of Pharmacy, School of Pharmaceutical & Populations Health Informatics, DIT University, Dehradun, India
3. Department of Physics, School of Basic & Applied Sciences, Shri Guru Ram Rai University, Dehradun, India
4. Department of Applied Science, M.S. Ramaiah University of Applied Sciences, Bangalore, India