What is the structure of panchayati Raj?

Through three tier structure of Panchayats, India provided for democratic decentralization and grassroot democracy. Three tier includes Zila Panchayat at district level, Block Panchayat or Panchayat Samiti at block or intermediate level and Gram Panchayat at village level. Though Gram Sabha is not a tier of Panchayati Raj System, at village level it works as foundation stone of whole system of Panchayati Raj. It works as recommending body only.