law: Contact Labour (Regulation and Abolition) Act, 1970
  31. Power to exempt in special cases
  The appropriate government may, in the case of an emergency,
  
  direct, by notification in the Official Gazette, that subject to such
  
  conditions and restrictions, if any, and for such period or periods, as may be
  
  specified in the notification, all or any of the provisions of this Act or the
  
  rules made thereunder shall not apply to any establishment or class of
  
  establishments or any class of contractors.