Section 326(2) in The Mumbai Municipal Corporation Act, 1888
(2)No hoard or fence shall be so put up without the previous written permission of the Commissioner, and every such hoard or fence put up with such permission, with such platform and handrail as aforesaid, shall be continued standing and maintained in good condition to the satisfaction of the Commissioner, by the person who carries on the work, during such time as may be necessary for the public safety and convenience and in all cases in which the same is necessary to prevent accidents, the said person shall cause such hoard or fence to be well lighted during the night.