1. Department of Chemistry, Jadavpur University, Jadavpur, Kolkata 700032, India
2. Division of Molecular Medicine, Bose Institute, EN 80, Sector V, Bidhan Nagar, Kolkata 700091, India
3. Department of Chemistry and Chemical Biology, Indian Institute of Technology (ISM), Dhanbad, Jharkhand 826004, India
4. Department of Physics, Condensed Matter Physics Research Centre, Jadavpur University, Kolkata 700032, India