4. The Commission shall have 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 documents;
(c) receiving evidence on affidavits;
(d) issuing commissions for the examination of witnesses or documents.
