D. Nuwan Weerawickrama De Silva v. Commander, Sri Lanka Air Force, et al. – CA WRIT APPLICATION NO. 311/21-2022

In the case between D. Nuwan Weerawickrama De Silva (Plaintiff) and the Commander, Sri Lanka Air Force and others (Defendants), the court addressed the issue of whether the expulsion of the petitioner from the Sri Lanka Air Force, based on a conviction for cannabis consumption, was lawful in light of alleged procedural irregularities in the urine sample testing process. It was determined that the process for taking and testing the petitioner’s urine did not comply with the prescribed Standard Operating Procedure and required protocols, particularly the absence of the mandatory signed declaration form, thereby breaching principles of natural justice and legitimate expectations. The court held that the conviction for cannabis consumption, formed on the basis of an invalid testing procedure,