Amendment to Article 239-A expands list of Union territories to include Mizoram, altering territorial administration. Operative amendment substitutes the territorial phrase in clause (1) of Article 239-A to replace the listing 'Goa, Daman and Diu, and Pondicherry' with 'Goa, Daman and Diu, Pondicherry and Mizoram,' thereby adding Mizoram to the Union territory list; the amendment commenced on the fifteenth day of February, 1972 by notification.