In the Sixth Schedule to the Constitution, in paragraph 20,—
         (a) after sub-paragraph (2A), the following sub-paragraph shall be inserted, namely:—
             "(2B) The Naga Hills-Tuensang Area shall comprise the areas which at the commencement of this Constitution were known as the Naga Hills District and the Naga Tribal Area.";
         (b) in sub-paragraph (3), after the words "Administrative area", the brackets and words "(other than the Naga Hills-Tuensang Area)" shall be inserted;
         (c) in Part A of the Table, item 4 shall be omitted; and
         (d) in Part B of the Table, for item 2, the following item shall be substituted, namely:—
             "2. The Naga Hills-Tuensang Area.".