Kolkata Port is the gateway to Eastern India for the rest of the world. It is the only riverine major port in the eastern coast of India, situated 232 kms. up-stream from the Sandheads. It has one of the longest navigational channels in the world. In the 87 kms stretch from Sandheads to Sagar, the vessels are guided through Vessel Traffic Management System (VTMS) of the Kolkata Port Trust. Thereafter, at Sagar, the Pilots embark the vessels for pilotage, from where the distance of HDC and KDS are 41 kms and 143 kms, respectively.
Haldia Dock Complex, a modern dock complex of Kolkata Port Trust, was set up in 1977 for handling larger vessels, carrying bulk cargo with optimum economy, keeping Kolkata Dock System primarily for handling break bulk cargo, container etc. The two dock systems of Kolkata Port viz. KDS and HDC are complementary to each other.
Geographically, Kolkata Dock System is situated on the left bank of the river Hooghly in position Latitude of 22°32'53" North and Longitude - 88°18'5" East. Haldia Dock Complex is situated on the right bank of River Hugli in position Latitude of 22°02' North and Longitude 88°06' East.
Kolkata Port has a synergistic linkage with the city of Kolkata with an array of road, railway and inland waterway network connecting all parts of the country. The Port is well connected with national and state highways, railways and national waterways. KDS is connected with NH-6, NH-2 and NH-34 through city roads. NH-41 connects Haldia with NH-6 and rest of the country. KDS is connected to Eastern Railway through Sealdah and Budge Budge Sections. HDC is connected to the South Eastern Railway via Panskura.Kolkata Port is connected to National Waterway No.1 (Ganga), National Waterway No.2 (Brahmaputra) and Waterways through Sundarban.