law: Scheduled Castes and The Scheduled Tribes (Prevention of Atrocities) Act, 1989
  23. Power to make rules
  (1) The Central Government may, by notification in the Official
  
  Gazette, make rules for carrying out the purposes of this Act.
  (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, 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 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.