ARTICLE -21 OF THE CONSTITUTION, ALLOWING THE POLICE OFFICER TO ARREST AN ACCUSED, WITHOUT NEEDING A WARRANT FROM MAGISTRATE OF COURT IN THE COGNIZABLE OFFENCE.

Under section 154 of CrPC an FIR must be written by the police officer and they should re-read the written complaint of the victim thereafter. It amounts to a confession and prepared in the criminal proceedings placed on record by the police officer as the FIR is a very important document and it sets the process of criminal justice in motion so it requires timely action, correctness, completeness and accuracy, as such every investigation by the police shall be completed without unnecessary delay and charges against the criminal, more over it is foundation of the criminal justice, so upon lodging the FIR police can arrest the accused (Without needing a warrant from Magistrate of a Court) for conducting an investigation or questioning him. Cognizable offence is an offence in which the police may arrest a person without warrant and they are authorised to start an investigation into the matter, so they can file an FIR immediately without delay to putting law into motion by giving effective clear and timely report to the authority as fundamental Rule of law under Article 21 of the Constitution require to put Law into the motion and do the needful under law code manual prefixed by the Constitution of India, in this behalf.