Section 166A(1) in The Gujarat Provincial Municipal Corporations Act, 1949
(1)Notwithstanding anything contained in this Act, or the rules or by-laws or any usage, custom or agreement, where in the opinion of the Commissioner any trade premises are without sufficient means of effectual drainage of trade effluent or the drains thereof, though otherwise unobjectionable are not adapted to the general drainage system of the City, the Commissioner may by written notice require the owner or occupier of such premises-(a)to discharge the trade effluent from the premises in such manner, at such times, through such drains and subject to such conditions as may be specified in the notice and to cease to discharge the trade effluent otherwise than in accordance with the notice;(b)to purify the trade effluent before its discharge into a municipal drain, and to set up for purifying the trade effluent such appliances, apparatus, fittings and plant as may be specified in the notice;(c)to construct a drain of such material, size and description and laid at such leval and according to such alignment and with such fall and outlet as may be specified in the notice;(d)to alter, amend, repair or renovate any purification plant, existing drains, apparatus, plant-fitting or article used in connection with any municipal or private drain.]