1. Center of Applied Research in Electronics (CARE), Indian Institute of Technology (IIT) Delhi, New Delhi, India
2. Department of Physics, Indian Institute of Technology (IIT) Delhi, New Delhi, India
3. University Institute of Technology, Himachal Pradesh University, Shimla, Himachal Pradesh, India
4. Centre for Nano Science and Engineering (CeNSE), Indian Institute of Science (IISc), Bangalore, Bengaluru, India