law: 7. In section 10 of the principal Act, in sub-section  (1),-
  (a) after the words and figures "article 244 of the Constitution", the words, brackets and figures "or any area identified under the provisions of clause (vii) ofsub-section (2) of section 21" shall be inserted;
  (b) for the words "two years", the words "three years" shall be substituted.