Bangalore Water Supply & Sewerage Board [Bwssb] — Sewage water flowing into house

Due to Sewage blockage, gutters and other drains are blocked and Rain water is flowing into the house along with the sewage water. even after several complaints nobody has visited the spot and solved the issue. Senior citizen along with the family members are worried. Request to kindly resolve the issue immediately at the below mentioned address.
Near Indra Canteen, new thippasandra-75