UNION AND TERRITORIES CREATED AFTER 1956. #Unionanditsterritories GOA, DAMAN and DIU India acquired these three territories from the Portuguese by means of a police action in 1961. They were constituted as a union territory by the 12th Constitutional Amendment Act, 1962. Later, in 1987, Goa was conferred a statehood.9 Consequently, Daman and Diu was made a separate union territory. ︎@upsc_polity_notes 952 views15:35