Judicial activism has ensured that Hon’ble Supreme Court & Hon’ble High Courts can truly act as sentinel on qui vive. Judicial activism ensures that Constitutional Courts remain vigilant & proactive. At the same time care must be taken to ensure that judicial activism in turn does not lead to judicial overreach. Courts are a creature of Constitution and must perform its function & duties without usurping the function of any another organ of the state. This paper is directed towards tracing out the various contours of judicial activism.