law: Code of Criminal Procedure Act, 1973
  
  30.Sentence of imprisonment in default of fine.-
  (1) The Court of a Magistrate may award such
  
  term of imprisonment in default of payment of fine as is authorized by law:
  
  Provided that the term-
  (a) is not in excess of the powers of the
  
  Magistrate under section 29;
  (b) shall not, where imprisonment has been
  
  awarded as part of the substantive sentence, exceed one-fourth of the term of
  
  imprisonment which the Magistrate is competent to inflict as punishment for the
  
  offence otherwise than as imprisonment in default of payment of the fine.
  (2) The imprisonment awarded under this section may be in addition to a substantive
  
  sentence of imprisonment for the maximum term awardable by the Magistrate under
  
  section 29.