Consider the following with reference to the manifestation of phenomenon of regionalism in India:

1. 1.Inter-state boundary disputes.
2. 2.Forming an organization which advocates a militant approach for separation from India.
3. 3.Demand for separate statehood by people of certain areas.
4. 4.Demand of Union Territories for full- fledged statehood.

How many of the above-given manifestations of regionalism are correct?