(1)The Authority may, at any time, if it considers expedient to do so by order in writing, direct any person (herein referred to as "Investigating Officer") specified in the order to investigate the affairs of any insurer or intermediary or insurance intermediary, as the case may be, and to report to the Authority on any investigation made by such Investigating Officer:Provided that the Investigating Officer may, wherever necessary, employ any auditor or actuary or both for the purpose of assisting him in any investigation under this section.