law: 20. Penalty.-
  (1) Any person who contravenes the provisions of section 3, 4, 5, 7, 8, 9, 10 or sub-section (2) of 1[section 11 and the rules made under section 26 of the Act] shall be punishable with imprisonment for a term which may extend to three years, or with fine which may extend to five thousand rupees, or with both.
  (2) Any person who contravenes the provisions of section 6 or sub-section (1) of 1[section 11 and the rules made under section 26 of the Act] shall be punishable with imprisonment for a term which shall not be less than six months but which may extend to three years and with fine which shall not be less than two thousand rupees: Provided that the court may, for any adequate and special reasons to be mentioned in the judgment, impose a sentence of imprisonment for a term which shall not be less than three months but which may extend to two years and with fine which shall not be less than one thousand rupees.