Kerala's three-tier local government: 941 grama panchayats and 1,200 bodies in all
Background
Kerala has 941 grama panchayats, 152 block panchayats, 14 district panchayats, 87 municipalities and 6 municipal corporations, 1,200 local self-government institutions in all.
The Kerala Panchayat Raj Act and the Kerala Municipality Act followed the 73rd and 74th Constitutional Amendments and created the three-tier panchayat system.
The People's Planning Campaign brought citizens into development planning through ward sabhas and grama sabhas.
The Government of Kerala State Profile page carries these figures.
In plain words
Grama sabha Village assembly of voters — The body of all voters in a panchayat ward area that discusses local plans.