Those who think otherwise, take a world map, study the location of Suez and panama canal - Then search in google about Shipping Industry.
Tuticorin will not become a Singapore because of Sethu project. Indian Shipping Industry is measly compared to global standards. Also, Sethu will not help to make anything big.
What Southern districts need is solid investment by companies like Nokia, Dell, Tatas etc in factories. DMK should stop giving all importance to Chennai alone and focus on creating jobs in South TN. The Pandi Naadu , which has 2000 years of heritage must not be left barren.
