Section 156. Where, in either of these two situations, the Magistrate decides to take cognizance of the offence and to issue process, the informant is not prejudicially affected nor is the injured or in case of death, any relative of the deceased aggrieved, because cognizance of the offence is taken by the Magistrate and it is decided by the Magistrate that the case shall proceed. But if the Magistrate decides that there is no sufficient ground for proceeding further and drops the proceeding or takes the view that though there is sufficient ground for proceeding against some, there is no sufficient ground for proceeding against others mentioned in the First Information Report, the informant would certainly be prejudiced because the First Information Report lodged by him would have failed of its purpose, wholly or in part. Moreover, when the interest of the informant in prompt and effective action being taken on the First Information Report lodged by him is clearly recognised by the provisions contained in sub-sec. (2) of S.154, sub-sec. (2) of S.157 and subsec. (2)(ii) of Section 173, it must be presumed that the informant would equally be interested in seeing that the Magistrate takes cognizance of the offence and issues process, because that would be culmination of the First Information Report lodged by him. There can, therefore, be no doubt that when, on a