Professor of Cardiology Academic Head, Institute of Cardiology, Madras Medical College State Heart Disease Nodal officer Member Board of Studies Super Speciality courses, The Tamil Nadu Dr.MGR Medical University, Principal Investigator: Published: TNSTEMI Study, Completed and being written up: MMC Pregnancy and Heart Disease Registry, MMC STEMI Registry, Ongoing: National Heart Failure Registry, MMC Prosthetic Valve Thrombosis Registry, MMC Pulmonary Embolism Registry, MMC Eisenmnger Registry, ICMR-Tamil Nadu Pregnancy and Heart Disease Regisry