One month
Two months
Four months
Six months
Answer is Right!
Answer is Wrong!
The correct answer is: A. One month.
A proclamation of emergency, under Article-352, on account of war or aggression requires approval of the parliament within one month. If the proclamation is not approved by the parliament within one month, it will lapse.
The other options are incorrect because they are not the time period within which a proclamation of emergency, under Article-352, on account of war or aggression requires approval of the parliament.
Option B is incorrect because it is two months.
Option C is incorrect because it is four months.
Option D is incorrect because it is six months.