law: 108. Power of confirming authority to mitigate, remit or commute sentences.-
  Subject to such restrictions, reservations or conditions, as may be contained in any warrant issued under section 105 or section 106, a confirming authority may, when confirming the sentence of a Security Guard Court, mitigate or remit the punishment thereby awarded, or commute that punishment for any punishment or punishments lower in the scale laid down in section 47 or may set aside the proceedings of the trial if found to be illegal.