1. Liquid Crystal Research Laboratory, Department of Physics, University of Lucknow, Lucknow226007, India
2. Integrated Basic Science, School of Physical and Decision Science, Babasaheb Bhimrao Ambedkar University, Lucknow226025, India
3. Université du Littoral Côte d’Opale, UR 4476, UDSMM, Unité de Dynamique et Structure des Matériaux Moléculaires, Calais62228, France
4. Department of Physics, Shri Jai Narain Misra Post Graduate College, Lucknow226001, India