How do municipalities perform functions and implement schemes as per the law?
Municipalities perform functions and implement schemes as per the law by following the provisions outlined in the given context. These include:

1. The preparation of plans for economic development and social justice.
2. Performing functions and implementing schemes entrusted to them, which may be related to matters listed in the Twelfth Schedule.
3. Being granted necessary powers and authority by Committees to carry out their responsibilities effectively.
4. Levying, collecting, and appropriating taxes, duties, tolls, and fees as authorized by the State Legislature.
5. Receiving assigned taxes, duties, tolls, and fees levied and collected by the State Government for specific purposes and under certain conditions and limits.
6. Receiving grants-in-aid from the Consolidated Fund of the State.
7. Having their financial positions reviewed by the Finance Commission constituted under Article 243-I, which recommends principles governing distribution of taxes, duties, tolls, fees between the State and Municipalities, as well as grant-in-aid to municipalities from the Consolidated Fund of the State.