Bangalore Water Supply & Sewerage Board [Bwssb] — Sewage water stagnant

I'm a resident of gottigere where in the sewarage water from surrounding buildings including ours The sewarage water is getting stagnant adjacent to my building leading breeding of mosquitos, stinking and open the windows of our residence. If any heavy rain the water from the surrounding gushes to our building basement The parked vehicles has to be cleared if nit the vehicles will be in repair . Regarding this issue n no.of complaints has been lodged uphill now no action from the department side. Our sincere request to you is plz visit the place and take immediate action if not the building will be damaged one fine day. Hope let that not happen
Thanking you.