In given statement followed by three courses of action numbered I,II and III. You have to assume everything in the statement to be true, then decide which of the three suggested courses of action logically follows for pursuing.
Statement Drinking water supply to New Bombay has been suspended till further orders from Maharashtra Pollution Control Board following pollution of Patalganga river,caused by discharge of effluents from some chemical industries.
Courses of action I. The industries responsible for discharging effluents into the river should be asked to close down immediately.
II. The river water should immediately be treated chemically before resuming supply.
III. The Pollution Control Board should check the nature of effluents being discharged into the river by industries at regular intervals.
(a) Only I follows
(b) Only II and III follow
(c) Only III follows
(d) All follow
(e) None of these

Explanation

(b) Only II and III follow