1. CSIR-National Physical Laboratory, Dr. K.S. Krishnan Marg, New Delhi, India
2. Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
3. Liquid Crystal Research Laboratory, Department of Physics, University of Lucknow, Lucknow, India
4. Department of Electro-Optical Engineering, National United University, Miaoli City, Taiwan