(1) If the person against whom an order under section 152 is made appears and shows cause against the order, the Magistrate shall take evidence in the matter as in a summons-case.
(2) If the Magistrate is satisfied that the order, either as originally made or subject to such modification as he considers necessary, is reasonable and proper, the order shall be made absolute without modification or, as the case may be, with such modification.
(3) If the Magistrate is not so satisfied, no further proceedings shall be taken in the case:
Provided that the proceedings under this section shall be completed, as soon as possible, within a period of ninety days, which may be extended for the reasons to be recorded in writing, to one hundred and twenty days.
Legal Commentary & Landmark Judgments: Section 157
Section 157 regulates the procedure where a person appears to show cause, providing that if the Magistrate is satisfied that the order is not reasonable and proper, no further proceedings shall be taken in the case.
Highlight that the alleged nuisance has been removed or that the industrial effluent meets State Pollution Control Board standards, securing an order under Section 157 dropping the proceedings.