Such sums as Parliament may by law provide shall be charged on the Consolidated Fund of India in each year as grants-in-aid of the revenues of such States as Parliament may determine to be in need of assistance, and different sums may be fixed for different States:

Provided that there shall be paid out of the Consolidated Fund of India as grants-in-aid of the revenues of a State such capital and recurring sums as may be necessary to enable that State to meet the costs of such schemes of development as may be undertaken by the State with the approval of the Government of India for the purpose of promoting the welfare of the Scheduled Tribes in that State or raising the level of administration of the Scheduled Areas therein to that of the administration of the rest of the areas of that State:

Provided further that there shall be paid out of the Consolidated Fund of India as grants-in-aid of the revenues of the State of Assam sums, capital and recurring, equivalent to —

On and from the formation of the autonomous State under article 244A, —

Until provision is made by Parliament under clause (1), the powers conferred on Parliament under that clause shall be exercisable by the President by order and any order made by the President under this clause shall have effect subject to any provision so made by Parliament:

Provided that after a Finance Commission has been constituted no order shall be made under this clause by the President except after considering the recommendations of the Finance Commission.