Dr. Das has done MD General Medicine and DNB Respiratory Medicine. He has done fellowship in Interventional Pulmonology from Marseille, France. He excel in Interventional Pulmonology, Critical Care and Sleep Medicine & also has an extensive experience in diagnosis and management of chest disease like Asthma, COPD, ILD, Tuberculosis, Sarcoidosis, Lung Cancer and COVID 19 infection. Dr. Das has enormous expertise in Interventions like Bronchoscopy, Thoracoscopy, Endo-bronchial Ultrasound (Radial and Convex probe), Airway tumor biopsy, foreign body removal, stenting of airway. He also has considerable experience in managing critical patients in Critical Care Unit.