The correct answer is: D. None of the above
The system of Panchayati Raj is not mentioned in any of the three lists of the Seventh Schedule of the Constitution of India. It is a system of local self-government that has been established by the Constitution through the 73rd and 74th Amendment Acts. The system of Panchayati Raj is based on the principle of devolution of power to the local level. It provides for the establishment of three-tier Panchayati Raj institutions at the village, block, and district levels. The members of these institutions are elected by the people. The system of Panchayati Raj has been given a constitutional status in order to ensure that the people have a say in the governance of their villages, blocks, and districts.
The Union List is a list of subjects that are under the exclusive jurisdiction of the Union Government. The State List is a list of subjects that are under the exclusive jurisdiction of the State Governments. The Concurrent List is a list of subjects that are under the jurisdiction of both the Union Government and the State Governments.
The system of Panchayati Raj is not mentioned in any of these lists because it is a system of local self-government. Local self-government is a matter that is best dealt with by the people at the local level. The Constitution of India has given a constitutional status to the system of Panchayati Raj in order to ensure that the people have a say in the governance of their villages, blocks, and districts.