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55. Thus, a bare perusal of cross examination of PW-23 and his report Ex. PW-23/A shows that there is no reasoning given in the report as to how he had arrived at a conclusion that there was no tampering with the memory cards. Further, PW-23 has mentioned the hash value of hard disks sent to him in his report Ex.PW-23/A but he has not mentioned the hash value of any of the files of the memory cards examined by him. He has also not given any reason for not mentioning the hash value of the digital files contained in the memory cards Ex.6/1 to Ex.6/5 examined by him. PW-23 has not even mentioned the date and time of creation and modification of the files in his report. He deposed in his cross examination about the date stamp and time stamp in the video clipping but there is no such date and time stamp in the video clipping Ex6/3 which raises serious doubts on the testimony of PW-23. Therefore, the report Ex.PW-23/A is absolutely bereft of any reasoning and the same cannot be relied upon.