1. Molecular and Applied Mycology and Plant Pathology Laboratory, Department of Botany, University of Calcutta, 35, Ballygunge Circular Road, Kolkata, WB 700019, India
2. Centre for Research in Nanoscience and Nanotechnology, University of Calcutta, JD-2, Sector III, Salt Lake, Kolkata, WB 700098, India
3. Department of Chemistry, University College of Science, 92, Acharya Prafulla Chandra Road, Kolkata, WB 700009, India
4. Department of Chemistry, Bidhannagar College, EB-2, Salt lake, Kolkata 700064, India
5. Department of Chemistry, Vidyasagar Evening College, 39, Sankar Ghosh Lane, Kolkata 700006, India
6. Department of Chemistry, University of Reading, Whiteknights, Reading RG6 6AD, United Kingdom