The base of the 3 tier Panchayati Raj system stand on :

The correct answer is Option (1) → Gram Sabha

Option (1) Gram Sabha — Correct. The three-tier structure of Panchayati Raj is like a pyramid. At the base of the structure stands the unit of democracy or Gram Sabha, the entire body of citizens in a village. It is this general body that elects the local government and charges it with its responsibilities.