Upasena And 8 Others v. Attorney General – sllr 2006 volume 3 page 272

In the case between Upasena and others (accused appellants) and the Attorney General, the court addressed whether the accused were liable under the Penal Code for causing the death of Matara Gamage Chandrapala, with particular reference to the applicability of sections 140, 146/296, and 32/296, and the doctrines of unlawful assembly and common intention. Conviction was upheld for the 1st and 2nd accused due to evidence establishing a pre-conceived plan and direct involvement in the crime, while insufficient proof of collective criminal intent or prearrangement was found for the 5th to 9th accused, leading to their acquittal. The key legal principle reaffirmed was that individual culpability in group offences depends on evidence of participation in a prearranged plan or common criminal inte