- BNSS Section 173 - Information in cognizable cases
- BNSS Section 174 - Information as to non-cognizable cases and investigation of such cases
- BNSS Section 175 - Police officer's power to investigate cognizable case
- BNSS Section 176 - Procedure for investigation
- BNSS Section 177 - Report how submitted
- BNSS Section 178 - Power to hold investigation or preliminary inquiry
- BNSS Section 179 - Police officer's power to require attendance of witnesses
- BNSS Section 180 - Examination of witnesses by police
- BNSS Section 181 - Statements to police and use thereof
- BNSS Section 182 - No inducement to be offered
- BNSS Section 183 - Recording of confessions and statements
- BNSS Section 184 - Medical Examination of victim of rape
- BNSS Section 185 - Search by police officer
- BNSS Section 186 - When officer in charge of police station may require another to issue search-warrant
- BNSS Section 187 - Procedure when investigation cannot be completed in twenty-four hours
- BNSS Section 188 - Report of investigation by subordinate police officer
- BNSS Section 189 - Release of accused when evidence deficient
- BNSS Section 190 - Cases to be sent to Magistrate, when evidence is sufficient
- BNSS Section 191 - Complainant and witnesses not to be required to accompany police officer and not to be subject to restraint
- BNSS Section 192 - Diary of proceedings in investigation
- BNSS Section 193 - Report of police officer on completion of investigation
- BNSS Section 194 - Police to enquire and report on suicide, etc
- BNSS Section 195 - Power to summon persons
- BNSS Section 196 - Inquiry by Magistrate into cause of death