This document defines judicial review and discusses its application in different countries. It also examines the merits and demerits of judicial review. Judicial review refers to a court examining the constitutionality of laws, executive actions, or judicial proceedings. The document outlines the powers of judicial review for high courts and supreme courts in Pakistan under Articles 184 and 199 of the constitution. It also lists the objectives as learning about the concept of judicial review, its application through sue moto powers and various articles, and the merits of judicial review such as protecting constitutional rights and separating governmental powers, as well as the potential demerits like becoming undemocratic or leading to an autocratic judiciary.