1. Maulana Abul Kalam Azad University of Technology, West Bengal, (Formerly known as WBUT), BF-142, Sector-I, Saltlake; Kolkata 700 064 India
2. Department of Chemical, Biological and Macro-Molecular Sciences; S.N. Bose National Centre for Basic Sciences, Sector III, Block JD, Salt Lake; Kolkata 700106 India
3. The Thematic Unit of Excellence on Computational Materials Science, S. N. Bose National Centre for Basic Sciences, Sector-III, Block JD, Salt Lake; Kolkata 700106 India