Geography · Ch 16 — International Trade — India
Sea Ports as Gateways of International Trade
Sea Ports as Gateways of International Trade
India’s long coastline — over 7,500 km — gives it a natural advantage in sea trade. Water transport is the cheapest mode for moving bulky goods over long distances, provided the sea is calm. Sea ports are the physical points where this trade actually happens: they are the gateways through which goods enter and leave the country.
The British developed many Indian ports primarily as “suction points” — they pulled raw materials out of the hinterland and shipped them to Britain. Railways were extended inland to connect local markets to regional ones, regional to national, and national to international markets. This pattern continued until Independence in 1947.
After Partition, India lost two crucial ports: Karachi went to Pakistan and Chittagong to East Pakistan (now Bangladesh). To compensate, new ports were developed — Kandla in the west and Diamond Harbour (near Kolkata) on the Hugli river in the east. Despite this setback, Indian ports continued to grow. Today, India has 12 major ports and about 200 minor or intermediate ports.
The central government regulates policy and functions for major ports; state governments do the same for minor ports. Major ports handle the larger share of total traffic.
India aims to double its share in international trade within five years. Measures already taken include import liberalisation, reduction in import duties, delicensing, and a shift from process patents to product patents. Private entrepreneurs have been invited to modernise ports. The capacity of Indian ports rose from 20 million tonnes of cargo handling in 1951 to more than 837 million tonnes in 2016.
Major Ports and Their Hinterlands
A port’s hinterland is the area it serves — the region from which it draws exports and to which it distributes imports. Hinterlands are not fixed; they can overlap between ports. Below are the major ports, listed broadly from west to east.
West Coast
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Deendayal Port (Kandla) — at the head of the Gulf of Kutch. Developed to serve western and north-western India and to reduce pressure on Mumbai port. Specially designed to handle large quantities of petroleum, petroleum products, and fertilisers. An offshore terminal at Vadinar further reduces congestion.
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Mumbai Port — a natural harbour and India’s biggest port. Located close to the main sea routes from the Middle East, Mediterranean countries, North Africa, North America, and Europe — regions that account for a major share of India’s overseas trade. The port is 20 km long and 6–10 km wide, with 54 berths and the country’s largest oil terminal. Its hinterland includes Maharashtra, Gujarat, Madhya Pradesh, Uttar Pradesh, and parts of Rajasthan.
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Jawaharlal Nehru Port (Nhava Sheva) — developed as a satellite port to relieve pressure on Mumbai port. It is the largest container port in India.
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Mormugao Port — a natural harbour at the entrance of the Zuari estuary in Goa. Gained importance after remodelling in 1961 to handle iron-ore exports to Japan. The Konkan railway has considerably extended its hinterland, which includes Goa, Karnataka, and southern Maharashtra.
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New Mangalore Port — in Karnataka. Handles exports of iron-ore and iron-concentrates, as well as fertilisers, petroleum products, edible oils, coffee, tea, wood pulp, yarn, granite stone, and molasses. Karnataka is its main hinterland.
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Cochin Port — at the head of Vembanad Kayal, known as the ‘Queen of the Arabian Sea’. A natural harbour, advantageously located close to the Suez–Colombo route. Serves Kerala, southern Karnataka, and south-western Tamil Nadu.
East Coast
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Shyama Prasad Mookerjee, Kolkata Port — on the Hugli river, 128 km inland from the Bay of Bengal. Developed by the British when Kolkata was the capital of British India. Its significance has declined because exports have been diverted to Vishakhapatnam, Paradwip, and its satellite port Haldia. It also faces the problem of silt accumulation in the Hugli river. Its hinterland covers Uttar Pradesh, Bihar, Jharkhand, West Bengal, Sikkim, and the north-eastern states. It also provides port facilities to land-locked neighbours Nepal and Bhutan.
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Haldia Port — 105 km downstream from Kolkata. Built to reduce congestion at Kolkata port. Handles bulk cargo: iron ore, coal, petroleum, petroleum products, fertilisers, jute, jute products, cotton, and cotton yarn.
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Paradwip Port — in the Mahanadi delta, about 100 km from Cuttack. It has the deepest harbour among Indian ports, specially suited for very large vessels. Developed mainly for large-scale export of iron-ore. Its hinterland includes Odisha, Chhattisgarh, and Jharkhand. …
The photograph in Figure 8.3 shows a busy port scene focused on the physical act of unloading cargo. A large mechanical grab bucket — the kind used for bulk materials like iron ore, coal, or fertiliser — hangs from a ship’s crane. The bucket is open, and a stream of material is falling from it into the bed of a truck parked below. The truck is loaded, and a worker in light clothing stands beside the cab, supervising the operation. The ship’s deck and railings are visible above, confirming that the crane is mounted on the vessel itself, not on a shore-based gantry.
This image directly illustrates the core function of a sea port: the transfer of goods between ship and land transport. The bulk material being discharged is exactly the kind of commodity that dominates India’s import and export trade — think of the iron ore, fertilisers, petroleum products, and edible oils listed in Table 8.5. The photograph shows that even at a modern port, much of this handling is still done by mechanical grabs and trucks, not fully automated systems. The worker’s presence reminds us that ports remain labour-intensive workplaces, even as they modernise. …
The map is an outline political map of India, titled "India — Major Ports and Sea Routes," covering latitudes 8°N to 36°N and longitudes 68°E to 96°E. A north arrow orients the viewer, and neighbouring countries — Afghanistan, Pakistan, China (Tibet), Nepal, Bhutan, Bangladesh, Myanmar, and Sri Lanka — are labelled. Lakshadweep is marked in the Arabian Sea, and a distance scale bar (0–600 km) is placed in the Bay of Bengal.
Twelve major ports are shown with anchor symbols and named. On the west and south coasts: Deendayal Port (on the Gujarat coast), Mumbai, Mormugao, Mangaluru (New Mangalore), Cochin, and V. O. Chidambaranar (Tuticorin). On the east coast: Shyama Prasad Mookerjee Kolkata, Haldia, Paradwip, Visakhapatnam, Kamarajar (Ennore), and Chennai. Port Blair is marked in the Andaman & Nicobar Islands.
Sea-route lines radiate from Mumbai and Chennai across the Arabian Sea, Indian Ocean, and Bay of Bengal. Distances are annotated in nautical miles (NM): from Mumbai — to Karachi (500 NM), Aden (1660 NM), Male (1750 NM), Cape Town (4600 NM), and Colombo (890 NM); from Chennai — to Kolkata (780 NM), Colombo (1250 NM), Yangon (1020 NM), Port Blair (700 NM), and Penang (1300 NM).
The map is not to scale, but the distance annotations and scale bar allow relative comparisons. The radiating sea routes from Mumbai and Chennai highlight these two ports as primary gateways connecting India to major international trade corridors — westwards to the Middle East, Africa, and Europe, and eastwards to Southeast Asia and the Bay of Bengal region. …