Explanation:

 In 1956, the erstwhile ‘Chief Commissioners Provinces’ were constituted as the ‘union territories’ by the 7thConstitutional Amendment Act (1956) and the States Reorganisation Act(1956).
• The seven current union territories are Andaman and Nicobar Islands, Chandigarh, Dadra and Nagar Haveli, Daman and Diu, Delhi, Lakshadweep and Pondicherry.