Correct option is A
The correct answer is (a) 1 month.
• Parliamentary approval is required within one month.
• Approval must be by special majority.
• Without approval, the proclamation ceases to operate.
Information Booster:
• National Emergency is under Article 352.
• Introduced on grounds of war, external aggression, or armed rebellion.
• Maximum duration after approval: 6 months at a time.
Additional Knowledge:
• Special majority means 2/3rd members present and voting.
• Lok Sabha dissolution affects approval timelines.
**