Section 10(6) in The Goa, Daman And Diu Mining Concessions (Abolition And Declaration As Mining Leases) Act, 1987
(6)The Commissioner shall have the power to regulate his own procedure in all matters arising out of the discharge of his functions, including the place or places at which he will hold his sittings and shall, for the purpose of making any investigation under this Act, have 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, namely:--(a)the summoning and enforcing the attendance of any witness and examining him on oath;(b)the discovery and production of any document or other material object producible as evidence;(c)the reception of evidence on affidavits;(d)the issuing of any commission for the examination of any witnesses.
