Under President’s Rule: The State Governments cannot ignore the directions of the Union Government, otherwise the President can take the action against the Government of the State stating that the administration cannot be carried on the accordance with the provisions of the Constitution and thus can impose President’s rule on the State. In such an eventuality the President shall assume to himself all or any of the functions of the state Government.
Under Proclamation of National Emergency: During a Proclamation of National Emergency, the power of the Union to give directions extends to the giving of directions as to the manner in with the executive power of the State is to be exercised relating to any matter.
Under Proclamation of Financial Emergency: During a Proclamation of Financial Emergency, Union can direct the State Governments to observe certain canons of financial propriety and to reduce the salaries and allowances of all or any class of person serving in connection with the affairs of the Union including the Judges of the Supreme Court and High Courts. Union also requires all Money Bills or Financial Bills to be reserved for the consideration of the President after they are passed by the Legislature of the State.