Step 1: Understand Judicial Review.
Judicial Review is the power of courts to examine the constitutionality of legislative acts and executive orders.
In India, this power is vested in the courts under Article 13.
Step 2: Role of Article 13.
Article 13 of the Indian Constitution explicitly provides for judicial review, stating that any law inconsistent with the Constitution shall be void.
Step 3: Conclusion.
Therefore, the power of Judicial Review is vested in the courts under Article 13 of the Constitution.