Bangalore Water Supply & Sewerage Board [Bwssb] — Blockage in drainage

Address: 560062

The complete drainage is blocked completely in mud and feeling difficult for water to go inside from past 15 days tried to resolve the issue and also found difficult in contacting bwssb via phone but unfortunately didnt work and also the water is coming out from the pit and also getting amount for cauvery bill. Please provide solution and also resolve the issue at the earliest.