what is a riverine port
The Port of Kolkata is a riverine port in the city of Kolkata, India, located around 203 kilometres from the sea. It is the oldest operating port in India, and was constructed by the British East India Company. The Port has two distinct dock systems - Kolkata Docks at Kolkata and a deep water dock at Haldia Dock Complex, Haldia. In the 19th century, the Kolkata Port was the premier port in British India. After slavery was abolished in 1833, there was a high demand for laborers on sugar cane plan