Rathnayake Mudiyanselage Karunaratne v. The Attorney General – CA 181/2009-2011

In the case between Rathnayake Mudiyanselage Karunaratne (Accused-Appellant) and The Attorney General (Respondent), the court addressed the issue of whether the conviction for murder should stand or whether, due to grave and sudden provocation, it should be reduced to culpable homicide not amounting to murder. It was held that the trial judge erred by failing to consider grave and sudden provocation, a defense evident on the facts and even acknowledged by the prosecution. This decision reaffirmed the principle that the judiciary must address potential defenses arising from the evidence, irrespective of whether such a plea is formally raised by the accused. The judgment relied on established case law and the relevant provisions of the Penal Code, underscoring the obligation to ensure that j