Section 155(1) in The Gujarat Municipalities Act, 1963
(1)Before beginning to construct any building or to alter externally or add to any existing building, or to construct or reconstruct any projecting portion of a building in respect of which the executive committee is empowered by section 151 to enforce a removal or set back, or to construct or reconstruct which the Chief Officer is empowered by section 150 to give permission, the person intending so to construct, alter, add or reconstruct shall give to the Chief Officer notice thereof in writing and shall furnish to him at the same time, if required by a by-law or by special order of the State Government to do so, a plan certified by a qualified person recognised by the municipality for the purpose and showing the levels, at which the foundation and lowest floor of such building are proposed to be laid, by reference to some level known to the Chief Officer, and shall information required by the bye-laws or demanded by the Chief Officer regarding the limits, design, ventilation and materials of the proposed building, and the intended situation and construction of the drains, sewers, privies, water-closets, and cesspools, if any, to be used in connection therewith, and the location of the building with reference to any existing or projected streets, and the purpose for which the building will be used.