Answer : 3. "a, b एवं c केवल"
Explanation :

73rd Constitutional Amendment Act 1992

1. The Act added Part IX, “Panchayats” to the Constitution and also added the Eleventh Schedule which contains 29 functional objects of Panchayats.

2. Part IX of the Constitution consists of Article 243 to Article 243O.

3. The Amendment Act gives shape to Article 40, (Directive Principles of State Policy) of the Constitution, which directs the State to organize Gram Panchayats and confer on them powers and authorities so that they function as self-government. Can do.

4. With the Act, Panchayati Raj systems come under the ambit of the equitable part of the Constitution and mandate the states to adopt this system. Furthermore, the election process in Panchayati Raj institutions will be independent of the wishes of the State Government.