The President can declare National Emergency on the basis of –

According to which Article ‘National Emergency may be declared by the president of India?

During National Emergency the term of the House of People –

The President of India may declare the National Emergency if there is the threat of: 1. External aggression 2. Internal disturbances 3. Armed rebellion 4. Communal clashes

Which Article of the Indian Constitution deals with the proclamation of Emergency ?

Which article can't be suspended even during national emergency?