law: 4. Amendment of First Schedule to the Constitution.-
  As from the appointed day, in the First Schedule to the Constitution, under the heading "I. THE STATES"-
  (a) in the paragraph relating to the territories of the State of Assam, the following shall be added at the end, namely:-
  "and the territories specified in sub-section (1) of section 3 of the State of Nagaland Act, 1962";
  (b) after entry 15, the following entry shall be inserted, namely:-
  "16. Nagaland......The territories specified in sub-section (1) of section 3 of the State of Nagaland Act, 1962".