Dr. Deepak Natarajan is one of the top interventional cardiologist in India, recognized for his ground breaking work in percautaneous mitral balloon valvotomy with inoue balloon , He is currently the Director of interventional cardiology at Moolchand Medcity, Lajpat Nagar, New Delhi., He obtained his medical degree from Maulana Azad Medical College., Dr. Deepak Natarajan subsequent to his training at the GB Pant Hospital, New Delhi ( DM cardiology), performed as senior consultant in cardiology at the Dr Ram Manohar Lohia, New Delhi, besides being the chief of cardiology for more than a decade and additional medical superintendent over there. , He committed himself to establishing a state of art cardiac catheterization laboratory and a comprehensive cardiac surgery department at Dr Ram manohar Lohia Hospital., During his tenure at Dr Ram manohar Lohia Hospital, he was awarded numerous international fellowships with some of the leading interventional cardiologists of the world such as Prof Masakiyo Nobuyoshi of Japan, Prof Gary Roubin of USA, Prof Robert Greenbaum of the UK (special interest EPS). He also attended the National Cardiovascular Center, Osaka, in Japan( awarded under the Colombo Plan)., Dr Deepk Natarajan also has the distinction of serving as cardiologist to 2 Prime Ministers and one President of India, numerous cabinet ministers and chief ministers, and was also appointed cardiologist to H.E Mr Nelson Mandela by the Government of India., He has impeccable experience in the field of complex coronary angioplasty and stenting (bifurcation and left main disease), percutaneous balloon valvotomy, biventricular pacing in severe heart failure, ICD implantation and EP study., He has also in the recent past written numerous articles on sports and sport medicine in the lay press.catheter, and being the first cardiologist in the country to administer intracoronary and intravenous streptokinase in acute myocardial infarction.