(c)shall have all the powers of civil court while trying a suit under Code of Civil Procedure, 1908, in respect of the following matters, namely :-(i)summoning and enforcing the attendance of any person and examining him on oath;(ii)requiring the discovery and production of any document;(iii)receiving evidence on affidavits;(iv)requisitioning any public record or copy thereof from any court or office; and(v)issuing commissions for the examination of witnesses or documents :