1. Department of Physics, The University of Burdwan, Golapbag, Burdwan 713104 West Bengal, India
2. K. K. M. College (A Constituent Unit of Munger University) Jamui, Bihar 811307, India
3. Saha Institute of Nuclear Physics, 1/AF Bidhannagar, Kolkata 700064 West Bengal, India
4. S.N Bose National Centre For Basic Sciences, JD Block, Sector III, Bidhannagar, Kolkata 700106 West Bengal India
5. K. S. S. College (A Constituent Unit of Munger University) Lakhisarai, Bihar 811311, India