Indian examples of Ancient submerged Port Towns: In India evidences of ship building, port and warehouses installations are datable to Harappan culture. The important Harappan and late Harappan ports were Lothal, Lakhabawal, Kindarkhera, Kuntasi, Megham, Prabhasa, Todio, Amra. The excavations of these sites have yielded antiquities of Bahrain island, Persian gulf, Egypt and Mesopotmia cities. The same maritime traditions continued even during the life time of Buddha, the Mauryas, the Gupta and in later period. During historical period India had trade and cultural contacts with Egypt, Rome, Greeks, Arabs, China and all most all Southeast Asian countries. through these ports. The ports on the west coast were Barygaya, Suppara, Calliena, Semylla, Mandagore, Palaepatme, Malizigara, Aurranobbas, Byzantine, Naura, Tyndis, Muziris and Nelcynda and the ports on the east coast were Tamralipti, Charitrapur, Paluru, Dantapur, Kalingapatnam, Pithunda, Sopatma, Ghantasala, Poduca, Puhar, Korkai and Camara. Merchants thronging sea-port towns like Mamallapuram, Puhar, and Korkai; or busy customs