Bangalore Water Supply & Sewerage Board [Bwssb] — fortius apartment people are leaving their drainage water on outside of their building

Address: Seegahalli , Manjunath nagar layout

In seegahalli fortius water escape apartment a huge apartment which leaves their drainage water to oustide of building which stinging a lot they leave a whole building drainage water stored near my house a place a small rain water ditch was made this apartment people leave their water and its store's lot of water every day my house sting and lot of mosquitoes and my compound wall falled due this water. Why drainage water is left outside the building every day morning to night very stinging we are suffering here please help us