1. Department of Physics Govt. V.Y.T. P.G. Autonomous College Durg Chhattisgarh 491001 India
2. Department of Physics Sharda University Knowledge Park‐III Greater Noida U.P. 201306 India
3. Department of Physics Shri J.N.P.G. College Lucknow U.P. 226001 India
4. School of Basic and Applied Science Galgotias University Greater Noida Greater Noida U.P. 201310 India
5. Department of Basic Sciences IITM IES University Bhopal MP 462044 India
6. Liquid Crystal Laboratory Department of Physics University of Lucknow Lucknow U.P. 226007 India