According to Article 352 of the Indian Constitution, a national emergency can be imposed when there is a grave threat to the security of India or any of its territory due to war, external aggression or armed rebellion
घटना कलम 352 नुसार बाह्य आक्रमण किंवा युद्धाच्या परिस्थितीत राज्याची सुरक्षितता धोक्यात आल्यास राष्ट्रपती आणीबाणी घोषित करतो.