Chalana Krishnan Wikramatilleka alias Thilaka vs Hon. Attorney General – CA 296/2009-2009

In the case between The Democratic Socialist Republic of Sri Lanka / Attorney General, Colombo (Complainant/Respondent) and Chalana Krishnan Wikramatilleka alias Thilaka (Accused/Appellant), the court addressed whether the conviction and life sentence for possession and trafficking of 2.37 grams of heroin under the Poisons Opium and Dangerous Drugs Ordinance was valid, particularly in light of the prosecution’s reliance on a single police witness due to the absence of the chief investigating officer. It was held that a conviction based on the evidence of a single credible police witness, even in the absence of corroboration by other law enforcement members, is legally sustainable under Section 134 of the Evidence Ordinance and relevant Supreme Court precedents, provided the evidence is cre