1. Advanced Technology Development Center, Indian Institute of Technology, Kharagpur-721302, India
2. Department of Physics, Indian Institute of Technology, Kharagpur-721302, India
3. Midnapore College, Midnapore-721101, India
4. Core Laboratories, King Abdullah University of Science and Technology, 23955-6900 Saudi Arabia
5. S.N. Bose National Center for Basic Sciences, Sector-III, Salt Lake, Kolkata-700098, India