1. Department of Physical Sciences, P. D. Patel Institute of Applied Science, CHARUSAT Campus, Highway 139, Off. Nadiad-Petlad Road, Changa, Gujarat 388421, India
2. Department of Electrical and Electronics Engineering, Birla Institute of Technology and Science Pilani Hyderabad Campus, Hyderabad 500078, India
3. AESD@CIF, CSIR-CSMCRI, G B Marg, Waghwadi Road, Bhavnagar, Gujarat 364002, India