Section 206(1) in The Gujarat Municipalities Act, 1963
(1)It shall be lawful for the municipality to direct by public notice that every furnace employed, or to be employed, in any works or buildings used for the purpose of any trade or manufacture whatsoever, within the limits of the municipal borough whether a steam engine be or be not used or employed therein shall in all cases be constructed, supplemented or altered so as to consume or burn, or reduce as far as may be practicable, the smoke arising from such furnace.