I passed my MBBS from Maulana Azad Medical College, New Delhi with Distinction in Biochemistry in 1997, thereafter did my MD in TB & Respiratory Diseases from VP Chest Institute , Delhi with specialization on allergy and applied immunology. After that I worked in the University of London, Medway Maritime Hospital, Kent (UK) and returned to India in 2004 after which practised as Consultant pulmonologist at various corporate hospitals of Kolkata. I took up a teaching position at Dept of Chest Medicine, IPGME&R, Kolkata. There after I became fellow of American college of chest physicians and involved myself in research on asthma and allergy which earned me a PhD in Physiology from Calcutta University in 2018. My work on the immunotherapeutic mechanisms to treat asthma involving T-lymphocytes got many accolades. I have 30 original research publications in national and international peer reviewed journals authored chapters of 3 books. Currently I am working as medical director of allergy and asthma treatment centre, Kolkata and involved in research involving asthma in children. I am member of European Respiratory Society, American college of chest physicians, American college of allergy and immunology, World allergy organisation and Indian Chest Society. I am involved in environmental health group doing surveillance work on impact of air pollution on health.