18. Panchayati Raj
Explanation:
base A Gram Panchayat (village council) is the grassroots-level of Panchayati Raj formalised local self-governance system in India at the village or small-town level, and has a Sarpanch as its elected head. Gram Panchayats are panchayats at base level in Panchayat Raj Institutions (or PRIs), governed by the 73rd Amendment, which is concerned with Rural Local Governments. District (or apex) Level. Intermediate Level. Base Level.