1. DM Resident in Clinical Pharmacology, Department of Clinical and Experimental Pharmacology, School of Tropical Medicine, Kolkata.
2. Assistant Professor, Department of Respiratory Medicine, IPGME&R, Kolkata.
3. Assistant Professor, Department of Critical Care Medicine, IPGME&R, Kolkata.
4. Assistant Professor, Institute Of Otorhinolaryngology And Head & Neck Surgery, IPGME&R, Kolkata.
5. Assistant Professor, Department of Biochemistry, Burdwan Medical College and Hospital
6. Young scientist, IPGME&R, Kolkata.
7. HOD, Department of Pulmonary Medicine, IPGME&R, Kolkata
8. HOD, Department of Clinical and Experimental Pharmacology, School of Tropical Medicine, Kolkata, Kolkata.