The answer is: A
Explanation
The correct option is A: Schedule 7.
Schedule 7 of the Constitution of India deals with the division of powers between the Union and the States. It contains three lists: the Union List, the State List, and the Concurrent List. The Union List specifies the subjects on which the Parliament of India has exclusive power to legislate. The State List specifies the subjects on which the State Legislatures have exclusive power to legislate. The Concurrent List specifies the subjects on which both the Parliament and the State Legislatures can make laws, subject to certain conditions.
Schedule 10 of the Constitution of India deals with the provisions for the administration and control of Scheduled Areas and Scheduled Tribes. Schedule 11 of the Constitution of India deals with the powers, authority and responsibilities of Panchayats. Schedule 12 of the Constitution of India deals with the powers, authority and responsibilities of Municipalities. Therefore, these options are incorrect.