1. Department of Pharmacology, B.C. Roy Post Graduate Institute of Basic Medical Sciences, 244 B, Acharya J. C. Bose Road, Calcutta 700020, India
2. Department of Physiology, Surendra Nath College, 24/2 M. G. Road, Calcutta 700009, India
3. 26/5, Broad Street, Calcutta 700019, India