MBBS DTCD MD DNB DM Pulmo Chairman Metro Centre for Respiratory Diseases Noida Fellow of American College of Chest Physicians Fellow of College of Chest Physicians India Fellow of India Sleep Disorders Association In charge Respiratory ICU Video bronchoscopy Sleep and Allergy Laboratories ILD Clinic Difficult Asthma Clinic and Pulmonary Rehabilitation Clinic Metro Hospital Noida Course Director School course in Severe Asthma