Evolution and Application of the Doctrine of Legitimate Expectation in Administrative Law : A Comparative Analysis

This article delves into the evolution and application of the doctrine of legitimate expectation in administrative law, exploring its fundamental principles and implications. The concept of legitimate expectation has emerged as a vital bridge between the Rule of Estoppel and the Principle of Administrative Fairness, serving to safeguard individuals against arbitrary exercise of power by state agencies. Further examines the theoretical underpinnings of legitimate expectation, its procedural and substantive aspects, and its significance in ensuring good governance. Through an analysis of key cases from different jurisdictions, including Sri Lanka, the article evaluates the development of the doctrine and its interplay with principles of natural justice and equality. The article also discusses the challenges and ambiguities faced in distinguishing between procedural and substantive legitimate expectations. Overall, it highlights the importance of maintaining a delicate balance between protecting legitimate expectations and prioritizing the public interest, while emphasizing the evolving nature of this doctrine within the realm of administrative law