Civil Service Personnel Rule 48
Promotion as a Special Case
48. If a service personnel is outstandingly competent,qualified and capable, much better than others and very reliable to delegate duties and so on, the head of the relevant service personnel organization may promote appropriately by exercising his authority. However, in promotion to the post of gazetted officer which is to be appointed only with the approval of the Union Civil Service Board, it shall be carried out in consultation with the Union Civil Service Board.