Answer : 1. "within a month"
Explanation :

A state of emergency refers to a period of governance that can be proclaimed by the President of India during certain situations. National Emergency can be declared on the basis of war, external aggression or armed rebellion. The constitution employs the expression 'proclamation of emergency' to denote an emergency of this type. A proclamation of emergency must be placed before the Parliament for its approval within one month. It must be approved by both the houses of parliament. Article 352 of the constitution deals with National Emergencies.