Explanation:

Article 352 says that if the President is 'satisfied' that a grave emergency exists whereby the security of India or any part of it is threatened due to outside aggression or armed rebellion, he may make a proclamation to that effect regarding whole of India or a part of the country or territory.A Proclamation of Emergency declaring that the security of India or any part of the territory thereof is threatened by war or by external aggression or by armed rebellion may be made before the actual occurrence of war or of any such aggression or rebellion, if the President is satisfied that there is imminent danger thereof.