Penal Code, 1860–Secs. 302 & 201–Conviction–Circumstantial evidence–Appellant was injured when he was arrested–Prosecution failed to get his blood group ascertained–Blood group of bloodstains on lathi could not be detected in FSL–Deceased sustained the injuries of incised wounds, whereas the lathi and bamboo were recovered at the instance of the appellant–Fact of last seen, recovery and motive are not beyond the reasonable doubt–Missing links–Held, the conviction cannot be sustained.