Section 315 of the Code of Criminal Procedure makes an accused a competent witness in his defence. Law Section 315 of the Code of Criminal Procedure makes an accused a competent witness in his defence. advtanmoy 29/03/2018 Section 315. Accused person to be competent witness. (1) Any person accused of an offence before a... Read More Read more about Section 315 of the Code of Criminal Procedure makes an accused a competent witness in his defence.