Nigamuni Piyuji Rasanja Mendis vs. University of Kelaniya and others – CA WRIT/90/2021-2023

In the case between Nigamuni Piyuji Rasanja Mendis (petitioner) and the University of Kelaniya with various university officials (respondents), the court examined whether simultaneous initiation of a writ application, a fundamental rights application in the Supreme Court, and a USAB application by the petitioner constituted an abuse of process. The court determined that the multiple proceedings were based on substantially identical facts and causes of action, with the petitioner failing to sufficiently distinguish the basis for each forum. The application was dismissed on grounds of abuse of process and res judicata, establishing that the filing of parallel actions undermines judicial efficiency and the proper administration of justice. This holding reaffirmed the principles of finality in