Singh and I.K. Nangia. xx xx xx 63. Needless to underscore that every information coming to the investigating agency must be regarded as relevant. However, the investigating agency is expected to make enquiries regarding the authenticity of such information and after doing so must collect corroborative evidence in support thereof. In absence of corroborative evidence, it would be merely a case of suspicion and not pass the muster of grave suspicion, which is the pre-requisite for sending the suspect for trial. This is the mandate in Section 173(2)(i)(d) of the Code, which postulates that the investigating officer in his report must indicate whether any offence appears to have been committed and if so, by whom. The opinion of the investigating officer formed on the basis of materials collected during the investigation/enquiry must be given due weightage. That would only be the threshold, to facilitate the concerned Court to take cognizance of the crime and then frame charge if it is of