Section 334.   Previous conviction or acquittal how proved.

In any inquiry, trial or other proceeding under this Sanhita, a previous conviction
or acquittal may be proved, in addition to any other mode provided by any law for the time
being in force,—
(a) by an extract certified under the hand of the officer having the custody of
the records of the Court in which such conviction or acquittal was held, to be a copy
of the sentence or order; or
(b) in case of a conviction, either by a certificate signed by the officer in charge
of the Jail in which the punishment or any part thereof was undergone, or by production
of the warrant of commitment under which the punishment was suffered,
together with, in each of such cases, evidence as to the identity of the accused person with
the person so convicted or acquitted.