RELATIONS BETWEEN THE UNION AND THE STATES
Article 250: Power of Parliament to legislate with respect to any matter in the State List if a Proclamation of Emergency is in operation
(1) Notwithstanding anything in this Chapter, Parliament shall, while a Proclamation of Emergency is in operation, have power to make laws for the whole or any part of the territory of India with respect to any of the matters enumerated in the State List.
(2) A law made by Parliament which Parliament would not but for the issue of a Proclamation of Emergency have been competent to make shall, to the extent of the incompetency, cease to have effect on the expiration of a period of six months after the Proclamation has ceased to operate, except as respects things done or omitted to be done before the expiration of the said period.
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