law: 30. Use of false certificate of fitness.
  Whoever knowingly uses or attempts to use as a certificate of fitness granted to himself under section 23 a certificate granted to another person under that section, or having been granted a certificate of fitness to himself, knowingly allows it to be used, or an attempt to use it to be made, by another person, shall be punishable with imprisonment which may extend to one month, or with fine which may extend to fifty rupees, or with both.