Dr. Parminder Bir Singh has over 9 years of experience in the field of Respiratory , critical care and sleep medicine . He did his graduation from the prestigious Maulana Azad Medical College and post graduation from VP Chest institute and Indraprastha Apollo Hospital New Delhi . He did his DM in Pulmonary and Critical care medicine from VMMC and Safdarjung hospital . During his post graduation he has been extensively trained in managing respiratory and critically ill patients , interventional pulmonology procedures such as Bronchoscopy, EBUS, Thoracoscopy and in Sleep medicine .