

The Sanitary Drainage System in a Mega city like Bombay, and our own Bangalore for an instance, is a source of persistent annoyance leading to exasperation.
There are 20 storms cum sewage water inlets feeding polluted water into the Bellandur Lake in total. Out of this only one inlet namely Koramangala Challaghatta (KC) valley inlet water is being treated before discharging into the Lake.