witness concerned. 15. Thus, the position with respect to FIR is clear from the decisions referred supra that even though it is not meant to be an encyclopedia containing chronicle of all intricate and minute details, it could be used to corroborate its maker under Section 157 of the Evidence Act or to contradict its maker viz., the informant under Section 145 of the Evidence Act to establish whether he is a trustworthy witness or not. 16. Realising and recognizing the aforesaid position with respect to FIR we will proceed to consider whether the disinclination on the part of the High Court to rely on, Page 8 of 21 Criminal Appeal No. 2129 of 2014rather, treating the evidence of the informant – PW8 as unreliable is justifiable and sustainable in law. 17. Through the evidence of PW8, the mother of the deceased, who is also the informant, the prosecution has attempted to establish the existence of an oral dying declaration. It is to be noted that dying declaration itself is not a strong