law: Hire-Purchase Act, 1972
  30. Power to exempt from provisions of
  
  sections, 6,9,10,12 and 17 in certain cases.-
  Where the Central Government is satisfied that
  
  having regard to- the short supply of any goods or class of goods, or the use
  
  of intended use of any goods or class of goods and the person by whom such goods
  
  or class of goods are used or are intended to be used, or the restrictions
  
  imposed upon the trade or commerce in any goods or class of goods, or any other
  
  circumstances in relation to any goods or class of goods.
  It is necessary or expedient in the public
  
  interest so to do. The Central Government may, by notification in the Official
  
  Gazette, direct that clause (b) of sub-section (2) of section 6, section 9,
  
  section 10, section 12 and section 17 or any of them shall not apply or shall
  
  apply with such modifications as may be specified in the notification, to
  
  hire-purchase agreements relating to such goods or class of goods.