52. Finality of order in certain cases.-
An order passed by the Commissioner of Police under section 46, section 47 or section 48 or the Administrator under section 51 shall not be called in question in any court except on the ground-
(a) that the Commissioner of Police or the Administrator, as the case may be, had not followed the procedure laid down in sub-section (1), sub-section (2) or sub-section (4) of section 50 or in section 51, as the case may be; or
(b) that there was no material before the Commissioner of Police or the Administrator, as the case may be, upon which he could have based his order; or
(c) in the case of an order made under section 47 or an order in appeal therefrom to the Administrator under section 51, the Commissioner of Police or the Administrator, as the case may be, was not of the opinion that witnesses were unwilling to come forward to give evidence in public against the person against whom such order has been made.