Section 167(2)(b) in The Code of Criminal Procedure, 1989 (1933 A. D.)
(b)[ no Magistrate shall authorize detention of the accused in custody of the police under this section unless the accused is produced before him in person for the first time and subsequently every time till the accused remains in the custody of the police, but the Magistrate may extend further detention in judicial custody on production of the accused either in person or through the medium of electronic video linkage];