law: 4. Power to make rules.
  2  [(1)] The Central Government may 3  [by notification in the Official  Gazette] make rules for carrying out the purposes of this Act.
  3  [(2) Every rule made under this Act shall be laid, as soon as may be after it is made, before each  House of Parliament, while it is in session, for a total period of thirty days which may be comprised in  one session or in two or more successive sessions aforesaid, both Houses agree in making any  modification in the rule or both Houses agree that the rule should not be made, the rule shall thereafter  have effect only in such modified form or be of no effect, as the case may be; so, however, that any such  modification or annulment shall be without prejudice to the validity of anything previously done under  that rule.]