Executive action in the President's name requires prescribed authentication, protecting validity where rules are followed. All executive action of the Government of India must be expressed to be taken in the name of the President, and orders and instruments in the President's name must be authenticated in the manner specified by rules made by the President; where so authenticated their validity shall not be questioned on the ground that they were not made or executed by the President. The President shall make rules for convenient transaction of Government business and for allocation of that business among Ministers.