for the purpose of performing its functions under this Act, the Commission shall have the same powers as are vested in a civil court while trying a suit under the Code of Civil Procedure, 1908 (5 of 1908), in respect of the following matters, namely:—
(a)summoning and enforcing the attendance of any person and examining him;
(b)requiring discovery and production of any documents;
(c)receiving evidence on affidavits;
(d)requisitioning any public record or copies thereof from any office;
(e)any other matter which may be prescribed by rules.