Section 417(1) in Greater Hyderabad Municipal Corporation Act, 1955
(1)No person who proposes to build, take down or rebuild any building or wall, or to alter or repair any part of any building or wall, shall, in any case in which the footway in any adjacent street will be thereby obstructed or rendered inconvenient, commence doing so, without first having caused to be put up a proper and sufficient hoard or fence, with a convenient platform and hand-rail, if there be room enough for the same and the Commissioner shall think the same desirable, to serve as a footway for the use of persons outside of such hoard or fence.