1. Deshbhakt Anandrao Balawantrao Naik Art’s and Science College, Chikhali, Sangli 415408, Maharashtra, India
2. Department of Physics, Arts, Commerce and Science College, Satral, Ahmednagar 413711, Maharashtra, India
3. Shri Krishna Mahavidyalaya, Gunjoti, Osmanabad 413606, Maharashtra, India
4. D. S. M’s Arts, Commerce and Science College, Jintur 431509, Maharashtra, India
5. University of New South Wales, Sydney NSW 2052, Australia
6. Solid State Physics Division, Bhabha Atomic Research Centre, Mumbai 400085, Maharashtra, India