of such remand without producing him before the Magistrate. - Registration of a case against the arrested person is sine-qua-non for seeking the detention of the arrestee either to the police custody or in the judicial custody under section 167(2) of the Code. - If a person is produced before a Magistrate with a prayer for his detention in any custody, without producing a copy of the entries in the diary as per item No (iv) above, the Magistrate shall release him in accordance with section 169 of the Code on taking a bond from him. - If a police officer seeks an arrested person to be shown arrested in a particular case who is already in custody, the Magistrate shall not allow such a prayer unless the accused/arrestee is produced before him with a copy of the entries in the diary relating to such case. - If the investigation of the case cannot be concluded within 15 days of the detention of the accused under section 167(2), the Magistrate having jurisdiction to take cognisance of the case or with the prior permission of the Judge or Tribunal having such power can send such accused person on remand under section 344 of the Code for a term not exceeding 15 days at a time. 42