The correct option is C A shipbuilding factory was set up in Kochi.
The Second Five-Year Plan focused on the rapid development of industries in the country. During this period, many industries were set up across various locations. For example, iron and steel industries were set up in Durgapur, Bhilai, and Rourkela, a chemical fertiliser plant was set up in Sindri, a rail engine factory was set up in Chittaranjan, and a shipbuilding factory was set up in Visakhapatnam.