. Chennai: It is one of the oldest artificial ports of the country. It is ranked next to Mumbai in terms of volume of trade and cargo. . Vishakhapatnam: It-is the deepest land-locked and well-protected port. This port was originally conceived as an outlet for iron ore exports. . Paradip Port: It is located in Odisha and specialises in the export of iron ore. . Kolkata: It is an inland riverine port. This port serves a very large and rich hinterland of Ganga-Brahmaputra basin. Being a tidal port, it requires constant dredging of Hoogly. . Haldia Port: It was developed as a subsidiary port, in order to relieve growing pressure on the Kolkata port.