The Port of Kolkata is a riverine port in the city of Kolkata. It is the oldest operating port in India, having originally been 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.

Hence, the jurisdiction of PHO Kolkata is spread over a vast area extending from the Sandheads in the Bay of Bengal to Kolkata, and include:

1.Kolkata Dock System It is situated on the left bank of the Hooghly River about 203 km upstream from the sea. It is comprised of:-

• Kidderpore Dock (KPD)
• Netaji Subhash Dock (NSD)
• Budge Budge Wharves - situated at a distance of 30 kms from Kolkata and used exclusively for the berthing of oil tankers at the River Moorings:
• Diamond Harbour Anchorage – situated at a distance of 50 kms from Kolkata.
• Sagar Anchorage – about 150 kms from Kolkata, where very large vessels transfer their cargo into smaller vessels.

2. Haldia Dock Complex – at a distance of 130 kms from Kolkata. The complex consists of: Impounded Dock System, Oil Jetties in the river, Barge Jetties in the River and Haldia Anchorage for LASH vessels (PHO Kolkata has a camp office at Haldia since 1990).

3. Paradip Port- Besides, ships coming to Paradip Port are inspected by the Officers from PHO, Kolkata for issuing SSCEC/SSC.