The system of panchayati raj involves

a)The village, block and district levels
b)The village, and state levels
c)The village district and state levels
d)The village, state and union levels

Answer a)The village, block and district levels

Panchayati Raj is the system of local self-government of villages in rural India as opposed to urban and suburban municipalities. The system involves:

Gram Panchayats at village level
Panchayat Samiti at block level and
Zila Parishad at district level.