There are times when people forget the sheer magnitude of the city that the Chennai Corporation has to deal with. Chennai, Tamil Nadu’s capital, is the fourth largest city in India, after Calcutta, Bombay and Delhi. This Coastal centre of trade has drawn traffic from all over the world for centuries and maintains a cosmopolitan quality as well as a Tamil air. Chennai, (Formerly Madras) the first city of Tamil Nadu, is a comparatively a new city. Chennai is known for its health facilities all over India and people from neighboring states and countries come to Chennai for major health investigations and treatment since time immemorial.