Gujarat Municipalities Act, 1963
When any building or land within municipal borough has a drain communicating with any cesspool or sewers, the chief officer, if he considers that such drain, though it may be sufficient for the drainage of such building or land and though it may be otherwise unobjectionable, is not adapted to the general sewerage of the locality, may, subject to the control of the executive committee, close such drain and such cesspool or sewer, whether they are or are not on land vested in the municipality, on providing a drain or drains equally effectual for the drainage of such building or land, and the chief officer may, subject as aforesaid, do any work necessary for the purpose.