(1)For the purpose of conducting an inquiry under this Chapter into the causes of any accident on a railway, the Commissioner shall, in addition to the powers specified in section 7, have the 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 persons and examining them on oath;(b)requiring the discovery and production of documents;(c)receiving evidence on affidavits;(d)requisitioning any public record or copies thereof from any court or office;(e)any other matter which may be prescribed.