(i) Ship-building is a large industry which requires huge capital.

(ii) At present, Vishakhapatnam, Kolkata, Kochi, Mumbai and Marmagao are major ship-building centres of the country. All these centres are in public sector.

(iii) There are also private sector shipyards. They look after the local needs of the people.

(iv) Seventeen dry docks are also engaged in the repairs of ships in the country.

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Vishakhapatnam produces the ship of maximum size of 1,00,000 DWT (Dead Weight tonnage) and Kochi produces the ship of maximum size of 50,000 DWT.