Tamil Nadu is the southernmost state of India, and has a clime classified as tropical savanna. Its population is 78 million, and the growth rate for the decade before the last census was 16%. The major city is Chennai, whose population expanded by 63% between 2001 and 2011. The rail system has 5,952 km (3,698 mi) of track and 532 railway stations.
Tirunelveli District is located in southern Tamil Nadu, and has a population of 3 million in an area of 6,700 sq.km.
Tirunelveli City has just under 500,000 inhabitants in an area of 150 sq. km. Its population expanded by 15% between 2001 and 2011. At present young people are forced to leave the city and move to the mega cities tofind housing and work: hence the dramatic growth in Chennai.
The ConnectedCites methodology identifies Tirunelveli as the hub town of the potential ConnectedCity. Tirunelveli has two stations: Tirunelveli Junction and Tirunelveli Town. The former is much larger than the latter, and the natural Hub.