The provision of Section 154 of the Cr. P. C. is mandatory and the concerned I.I.C. /O.I.C.is duty bout under law to register the case and to investigate in to the matter on the basis of such information disclosing cognizable offence.
It is well settled that ‘at the stage of registration of a crime or a case on the basis of information disclosing a cognizable offence incompliance with the mandate of Section 154(1) of the Code, the concerned police officer cannot embark upon an enquiry as to whether the information, laid by the informant is reliable and genuine or otherwise and refuse to register a case on the ground that the information is not reliable or credible. On the other hand, the officer in charge of a police station is statutorily obliged to register a case and then to proceed with the investigation if he has reason to suspect the commission of an offence which he is empowered under section 156 of the Code to investigate, subject to the proviso to Section 157’.