(2) The Appellate Board shall have, for the purpose of discharging its functions under this Act, the same powers as are vested in a civil court under the Code of Civil Procedure, 1908 (5 of 1908 ) while trying a suit in respect of the following matters, amely:-
(b) issuing commissions for examination of witnesses;
(c) requisitioning any public record; and
(d) any other matter which may be prescribed.