Head of Dept, Pulmonology, Fortis Hospital Kolkata. Director Research and Education, National Allergy Asthma Bronchitis Institute, Kolkata. National Representative for the ERS Honorary Executive Committee Member of the Indian Chest Society 52 International and National publications in indexed journals and Abstracts along with 12 Book Chapters. Abstract Reviewer for American College of Chest Physicians Meeting 2012 till 2017. Currently involved in 12 International and National Research Projects. This includes efforts to get prominent Pulmonologists all over India to perform Research under one umbrella. Examiner for the MRCP both in the UK and in India. Coordinator for DNB course for the last 3 year. The first DNB Respiratory course in Bengal