(1)Notwithstanding anything in the preceding sections of this chapter, the Federal Legislature shall, if the Governor-General has in his discretion declared by Proclamation (in this Act referred to as a" Proclamation of Emergency ") that a grave emergency exists whereby the security of India is threatened, whether by war or internal disturbance; have power to make laws for a Province or any part thereof with respect to any of the matters enumerated in the Provincial Legislative List :Provided that no Bill or amendment for the purposes aforesaid shall be introduced or moved without the previous sanction of the Governor-General in his discretion, and the Governor-General shall not give his sanction unless it appears to him that the provision proposed to be made is a proper provision in view of the nature of the emergency.