Executive power of the Union vested in the President, exercisable directly or through subordinate officers and regulated by law. The executive power of the Union is vested in the President and is to be exercised directly or through subordinate officers in accordance with the Constitution; the supreme command of the Defence Forces is vested in the President and its exercise shall be regulated by law, without transferring to the President functions conferred on States or preventing Parliament from delegating functions to other authorities.