Explanation:

Under the Article 249, the Parliament of India can legislate  on any subject in the state list in national interest. The Council of States has declared by resolution supported by  not less than two thirds of the members present and voting that it is necessary in national interest that  Parliament  should make laws with respect to any matter enumerated in the State List specified in the resolution. Article 229 is for officers and servants and expenses of High Courts. Article 230 deals with extension of jurisdiction  of High Courts to union territories. Article 247 gives power to  the Parliament to provide establishment of certain additional courts.