Section 227(1) in Karnataka Municipal Corporations Act, 1976
(1)If it appears to the Commissioner that any group or block of premises may be drained more economically or advantageously in combination than separately, and a corporation sewer of sufficient size already exists or is about to be constructed within thirty-five meters of any part of that group or block of premises the Commissioner may cause that group or block of premises to be drained by a combined operation.