law: Forest (Conservation) Act, 1980
  4. Power to make rules. – 
  (1) The Central Government may, by
  
  notification in the Official Gazette, make rules for carrying out the
  
  provisions of this Act.
  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, and if, before the expiry of the
  
  session immediately following the session or the 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 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.