September 29 is World Heart Day. On this occasion let us take a look at congenital heart disease. This is a very common birth defect. According to estimates 1 in 1000 new born children are born with this condition every year. Congenital heart disease is an abnormality that develops in the womb. It may be an anomaly in the heart walls valves or blood vessels. It can range from simple defects to life-threatening conditions. Children with this condition have to undergo intense treatment which helps them to live long meaningful lives well into adulthood. But some children with severe defects