law: 87. Prohibition of second trial.-
  (1) When any person, subject to this Act has been acquitted or convicted of an offence by a Force Court or by a criminal court or has been dealt with under section 56 or section 58, he shall not be liable to be tried again for the same offence by a Force Court or dealt with under the said sections.
  (2) When any person subject to this Act, has been acquitted or convicted of an offence by a Force Court or has been dealt with under section 56 or section 58, he shall not be liable to be tried again by a criminal court for the same offence or on the same facts.