The correct option is A
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Explanation:
A. Kandla Port situated at the head of the Gulf of Kachchh has been developed as a major port to cater to the needs of western and northwestern parts of the country and also to reduce the pressure at Mumbai port.
B. New Mangalore Port is located in the state of Karnataka and caters to the needs of the export of iron-ore and iron-concentrates.
C. Marmagao Port, situated at the entrance of the Zuari estuary, is a natural harbour in Goa.
D. Kochi Port, situated at the head of Vembanad Kayal, popularly known as the ‘Queen of the Arabian Sea’, is also a natural harbour.