84. (1) An award of punishment under section 82 shall not include field punishment in addition to one or more of the punishments specified in clauses (a) and (b) of that section. (2) In the case of an award of two or more of the punishments specified in clauses (a), (b) and (c) of the said section, the punishment specified in clause (b) or clause (c) shall take effect only at the end of the punishment specified in clause (a). (3) When punishments specified in the said clauses (a) and (b) are awarded to a person conjointly, or when already undergoing one or both of the said punishments and any other punishment is awarded, the whole extent of the punishments shall not exceed in the aggregate forty-two days. (4) The punishments specified in clauses (a), (b), (c), (e), (g) and (j) of section 82 shall not be awarded to any person who is of the rank of non-commissioned officer or was, at the time of committing the offence for which he is punished, of such rank. (5) The punishment specified in clause (f) of the said section shall not be awarded to any person below the rank of a non-commissioned officer. (6) The punishment specified in clause (dd) of the said section shall not be awarded to any person of the rank of sergeant and flight-sergeant.