Option 1: Creation of new States refers to the process of forming new states within the country. The power to create new states lies with the Parliament, which includes both the Rajya Sabha and the Lok Sabha. Therefore, Rajya Sabha does not have exclusive jurisdiction in this matter.

Option 2: Declaring a war is a decision that is made by the central government, which includes both the President and the Cabinet. This decision does not fall under the exclusive jurisdiction of Rajya Sabha.

Option 3: Financial emergency is a situation where the financial stability or credit of the country is in jeopardy. This provision allows the central government to take control of the financial situation of the states. The power to declare a financial emergency lies with the President, not the Rajya Sabha.

Option 4: The Rajya Sabha has the exclusive jurisdiction to authorize Parliament to legislate on a subject in the State List. The State List includes matters that are under the exclusive jurisdiction of the states. However, in certain circumstances, if the Rajya Sabha passes a resolution by a two-thirds majority, Parliament can make laws on subjects that are normally under the State List. This gives Rajya Sabha the exclusive jurisdiction in this matter.

In conclusion, option 4 is the correct answer as Rajya