With reference to the Parliamentary Legislation in the State List, consider the following statements:
1. If the Rajya Sabha passes a resolution by simple majority that it is necessary in the national interest for Parliament to make laws on a matter in the State List,the Parliament becomes competent to make laws on that matter.
2. During a National Emergency, the Parliament acquires the power to legislate on matters in the State List, and the laws become inoperative on the expiration of six months after the emergency has ceased to operate.
3. When legislatures of two or more states pass resolutions requesting the Parliament to enact laws on a matter in the State List,the state legislature retains the power to amend or repeal that law.
4. During President's Rule, a law made by the Parliament with respect to any matter in the State List in relation to that state becomes inoperative once the President's Rule ends.
How many of the statements given above are correct?