Section 236(4) in Karnataka Municipal Corporations Act, 1976
(4)If the owner of the immovable property, over, under, along or across which a sewer has been laid under this section whilst such immovable property was not built upon desires to erect any building on such property, the Commissioner shall, by notice in writing, require the owner of the premises to close, remove or divert the sewer in such manner as shall be approved by him and to fill in, reinstate and make good the immovable property as if the sewer had not been laid over, along or across the same:Provided that no such requisition shall be made unless in the opinion of the Commissioner it is necessary to expedient for the construction of the proposed building or the safe enjoyment thereof that the sewer should be closed, removed or diverted.