RELATIONS BETWEEN THE UNION AND THE STATES
Article 263: Provisions with respect to an inter-State Council
If at any time it appears to the President that the public interests would be served by the establishment of a Council charged with the duty of —
(a) inquiring into and advising upon disputes which may have arisen between States;
(b) investigating and discussing subjects in which some or all of the States, or the Union and one or more of the States, have a common interest; or
(c) making recommendations upon any such subject and, in particular, recommendations for the better co-ordination of policy and action with respect to that subject, it shall be lawful for the President by order to establish such a Council, and to define the nature of the duties to be performed by it and its organisation and procedure.
About Constitution of India
WE, THE PEOPLE OF INDIA, having solemnly resolved to constitute India into a SOVEREIGN SOCIALIST SECULAR DEMOCRATIC REPUBLIC and to secure to all its citizens: JUSTICE, social, economic and political; LIBERTY of thought, expression, belief, faith and worship; EQUALITY of status and of opportunity; and to promote among them all FRATERNITY assuring the dignity of the individual and the unity and integrity of the Nation; IN OUR CONSTITUENT ASSEMBLY this twenty-sixth day of November, 1949, do HEREBY ADOPT, ENACT AND GIVE TO OURSELVES THIS CONSTITUTION