Consider the following statements regarding President's Rule in India:
1. Article 356 requires a governor's report for the President to act, and Article 365 allows the President to act if a state fails to comply with the Centre's direction.
2. President's Rule can be extended beyond one year only if a National Emergency is in operation, and the Election Commission certifies that general elections cannot be held.
3. During President's Rule, the President may assume powers of the concerned state high court and suspend its constitutional provisions.
4. Laws enacted during President's Rule become in operative immediately after the cessation of the President's Rule, and cannot be altered by the state legislature.
How many of the statements given above are correct?