(5)The Central Government may authorise any officer to conduct investigation under this section who shall have all the powers of a civil court, while trying a suit under the Code of Civil Procedure, 1908 in respect of the following matters, namely: -(a)summoning and enforcing the attendance of any person and examining him on oath;(b)requiring the discovery and production of any document;(c)receiving evidence on affidavit; and(d)any other matter as may be prescribed.