1. Department of Physics, Navyug Science College, Surat 395009, India
2. Government Arts and Science College, Jambughoda, Panchmahal 389390, India
3. Condensed Matter Theory Group, Materials Theory Division, Department of Physics and Astronomy, Uppsala University, Box 516, 75120 Uppsala, Sweden
4. Advanced Material Lab, Department of Physics, Sardar Vallabhbhai National Institute of Technology, Surat 395007, India
5. Department of Physics, Veer Narmad South Gujarat University, Surat 395007, India