Section 175 of CRPC "Power to summon persons"
(1) A police officer proceeding under section 174 may, by order in writing, summon two or more persons as aforesaid for the purpose of the said investigation, and any other person who appears to be acquainted with the facts of the case and every person so summoned shall be bound to attend and to answer truly all questions other than questions the answers to which would have a tendency to expose him to a criminal charge or to a penalty or forfeiture.
(2) If the facts do not disclose a cognizable offence to which section 170 applies, such persons shall not be required by the police officer to attend a Magistrate's Court.
Section 176 of CRPC "Inquiry by Magistrate into cause of
(1) When any person dies while in the custody of the police, the nearest Magistrate empowered to hold inquests shall, and in any other case mentioned in sub-section (1) of section 174, any Magistrate so empowered may hold an inquiry into the cause of death either instead of, or in addition to, the investigation held by the police officer; and if he does so, he shall have all the powers in conducting it which he would have in holding an inquiry into an offence.
(2) The Magistrate holding such an inquiry shall record the
evidence taken by him in connection therewith in any manner
hereinafter prescribed according to the circumstances of the
(3) Whenever such Magistrate considers it expedient to make an examination of the dead body of any person who has been already interred, in order to discover the cause of his death, the Magistrate may cause the body to be disinterested and examined.
(4) Where an inquiry is to be held under this section, the Magistrate shall, wherever practicable, inform the relatives of the deceased whose names and addresses are known, and shall allow them to remain present at the inquiry.
Explanation.- In this section, the expression "relative" means parents, children, brothers, sisters and spouse.
What is Report of investigation by subordinate police officer? What is Release of accused when evidence deficient? What are the Cases to be sent to Magistrate when evidence is sufficient? Section 168, 169 and 170 of Code of Criminal Procedure 1973
Complainant and witnesses not to be required to accompany police officer and not to be subjected to restraint. What is Diary of proceedings in investigation? Section 171 and 172 of Code of Criminal Procedure 1973