Udawakage Gunadasa Wallaketiya, Opanayake Vs. Divisional Secretary Opanayake and Assistant Commissioner of Agrarian Services Ratnapura – CA PHC NO. 64/2010-2018

In the case between Udawakage Gunadasa Wallaketiya (Petitioner-Appellant) and the Divisional Secretary, Opanayake, and the Assistant Commissioner of Agrarian Services, Ratnapura (Respondents), the court addressed the entitlement to writs of Certiorari and Mandamus in relation to the construction of a water tank that affected the petitioner’s irrigation supply. It was held that the petitioner failed to establish a clear entitlement to the reliefs sought, and the competing public interest for drinking water outweighed the individual irrigation claim. The principle reaffirmed was the precedence of broader community interests and the significance of legal entitlement and consent in administrative disputes. The decision relied on statutory interpretation of water resource planning as a subject