Bangalore Water Supply & Sewerage Board [Bwssb] — Sewerage overflow on the road.

Address: Vascon Venus Aartments, Near Thimmiah Reddy School, Hosa Road, Electronic City, Bangalore 560100

Sewage/Septic tank constructed by a builder (Saraswati Nilayam) on the main road is full and overflowing into the neighbouring apartments, the solid waste and water us getting mixed with our drinking water source. 100 plus families living in the neighbourhood os saraswati nilayam is suffering. Our previous complaint number#20005427 in nammal bengaluru sahaya app - no action from the lanlord after BBMP officials visited the site. Pathetic situation, difficult to walk on the road - its human waste around on the road.
Pls help, urgent.