Penal Code (45 of 1860) , S.302, S.149, S.148— Evidence Act (1 of 1872) , S.3— Murder by unlawful assembly - Proof - Accused member of unlawful assembly allegedly committed murder of deceased by gun shot - Trial Court acquitted accused from charges of unlawful assembly attained finality in absence of appeal against it by State - Absence of evidence to prove that accused was author of gun shot which killed deceased - Ballistic report not supporting prosecution case as it opined that cartridges fired and recovered from spot could not have so fired from rifle belonging to accused - Alleged rifle not taken in police custody immediately after incident but was surrendered by accused in Court - Accused entitled to benefit of doubt. (Para 18 19 21) .....