Bangalore Water Supply & Sewerage Board [Bwssb] — Blocked sewage

Address: 32 LIC model housing colony, 3rd stage 4th block basaveshwaranagar

I am resident of LIC Model colony 1 cross3 stage 4 block Basweshwarnagar.All these years o had n of trouble but sewage line started getting blocked after the establishment of Nammauru upchara hotel a few years back.No other houses are experiencing except me.Every time I have shell substantial amount to get rid of the problem.I don't know how it happens.pl inspect and find a permanent solution.