Section 329 in The Code Of Criminal Procedure, 1973
Section 329 of CRPC “Procedure in case of person of unsound mind tried before Court”
(1) If at the trial of any person before a Magistrate or Court of Session, it appears to the Magistrate or Court that such person is of unsound mind and consequently incapable of making his defense the Magistrate or Court shall in the first instance, try the fact of such unsoundness and incapacity and if the Magistrate or Court after considering such medical and other evidence as may be produced before him or it is satisfied of the fact he or it shall record a finding to that effect and shall postpone further proceedings in the case.
(2) The trial of the fact of the unsoundness of mind and incapacity of the accused shall be deemed to be part of his trial before the Magistrate or Court.