(1) Any two of the punishments enumerated in section 46 may be awarded for combination of offences declared to be prison offences under section 45, subject to the following exceptions, namely:-
(i) formal warning shall not be combined with any other punishment, except loss of privileges under clause (4) of section 46;
(ii) cellular confinement shall not be combined with separate confinement, so as to prolong the total period of seclusion to which the prisoner shall be liable.
(2) No punishment will be combined with any other punishment in contravention of the rules made under this Act.
(3) No punishment shall be awarded for an offence under section 45, so as to combine, with the punishment awarded for any other such offence, two of the punishments which may not be awarded in combination for any such offence.