The powers and functions of judiciary in India are discussed below:(i)The Supreme Court and the High Courts have the power to interpret the Constitution of the country.(ii)They can declare invalid any law of the legislature or the actions of the executive, whether at the Union level or at the state level, if they find such a law or action is against the Constitution.(iii)Thus they can determine the Constitutional validity of any legislation or action of the executive in the country, when it is challenged before them. This is known as the judicial review.