1. Department of Mechanical Engineering, DIT University, Dehradun, Uttarakhand, India
2. Advanced Functional Smart Materials Laboratory, School of Physical Sciences, Department of Physics, DIT University, Dehradun, Uttarakhand, India
3. School of Basic & Applied Sciences, Department of Physics, Shri Guru Ram Rai University, Dehradun, Uttarakhand, India
4. Department of Physics, Chandigarh University, Chandigarh, Punjab, India
5. M S Ramaiah, University of Applied Sciences, Bangalore, Karnataka, India