Dr. K S Iyer India is recognized as a pioneer in pediatric heart care. He initiated the first dedicated paediatric cardiac care program in Northern India at Fortis Heart Institute Research Centre in 1995. Under his leadership, the program set new benchmarks in children’s heart treatment across India and South East Asia. Dr. K S Iyer Best Paediatric Cardiologist India has performed more than 10,000 complex surgeries, including arterial switch procedures, TAPVC repairs, double switch operations, tetralogy of Fallot corrections, Fontan procedures, Truncus and DORV repairs. Today, he is renowned as the Top Pediatric Cardiac Surgeon Fortis Hospital Delhi, offering world-class expertise and compassionate care for babies, children, and adults with congenital heart diseases.