1. Director, National Asthma, Allergy and Bronchitis Institute
2. Professor in Respiratory Medicine, University College of Medicine, Sugared Dutta Medical College & Hospital
3. Consultant Pulmonologist, Calcutta Medical Research Institute
4. Associate Professor in Respiratory Medicine, University College of Medicine, Sugared Dutta Medical College & Hospital, https://orcid.org/0000-0002-5261-2303
5. City Tuberculosis Officer (CTO), Calcutta Municipal corporation
6. Assistant Professor in Rheumatology, Ramkrishna Mission Seva Pratisthan
7. Consultant Rheumatologist, CMRI Hospital
8. Professor & HOD, Ophthalmology Midnapore Medical College & Hospital
9. Consultant Ophthalmic surgeon in Netralayam super speciality Eye Care Hospital, Mukundapur & VIP