1. Liquid Crystal Research Laboratory, Department of Physics, Dr B R Ambedkar National Institute of Technology, Jalandhar, India
2. Department of Physics, Arni University, Indora, India
3. Chitkara University Institute of Engineering and Technology, Chitkara University, Patiala, India
4. Centre for Liquid Crystal Research, Chitkara University Research and Innovation Network, Chitkara University, Patiala, India