Private person may arrest any person who in his presence commits ?

Section 43 in The Code Of Criminal Procedure, 1973 :- Arrest by private person and procedure on such arrest. (1) Any private person may arrest or cause to be arrested any person who in his presence commits a non- bailable and cognizable offence, or any proclaimed offender, and, without unnecessary delay, shall make over or cause to be made over any person so arrested to a police officer, or, in the absence of a police officer, take such person or cause him to be taken in custody to the nearest police station.