Which of the following regarding Special status of Jammu and Kashmir are true

1. The State has its own Constitution. This also implies that ‘dual citizenship’ principle is followed in this State.

2. Contrary to the case with the other States, the residuary power lies with the Legislature of the Jammu and Kashmir (and not the Parliament).

3. No Constitutional Amendment Act passed by the Parliament is applicable to J and K unless it is extended so by a Presidential order

4. The national emergency proclaimed only on the ground of war or external aggression shall have automatic extension to the State of Jammu and Kashmir.

Select the correct answer from codes given below