Fill in blanks:
1. The local self-governing bodies which look after the needs of big cities ............
2. Municipalities and .................
3. A mayor holds office for a term varying between ...............
4. The ..................supervises the working of municipal corporations.
5. Some seats in the municipal corporation are................ for Scheduled Castes and Scheduled Tribes.
6. The municipal corporation establishes and maintain ................. and education centers.