1. Nanocrystalline Laboratory, Centre for Material for Electronic Technology (CMET), Govt. of India, Panchawati, Off Pashan Road, Pune 411007, India
2. Department of Physics, S.N. Arts, D.J.M. Commerce and B.N.S. Science College Sangamner, Ahmednagar, 422 605, M.S., India
3. MIT World Peace University (MIT-WPU), Paud Rd, Kothrud, Pune, Maharashtra 411038, India