The Tribunal or the Commissioner or any person appointed under sub-section (1) of section 3 shall, for the purposes of this Act, have the same powers as are vested in a court under the Code of Civil Procedure, 1908 when trying a suit, in respect of the following matters, namely:-

(a) enforcing the attendance of any person and examining him on oath or affirmation;

(b) compelling the production of documents and impounding or detaining them;

(c) issuing commissions for the examination of witnesses;

(d) requiring or accepting proof of facts by affidavits;

(e) such other powers as may be prescribed; and

any proceeding under this Act before the Commissioner or any person appointed to assist him under sub-section (1) of section 3 shall be deemed to be a "judicial proceeding" within the meaning of sections 193 and 228 and for the purposes of section 199 of the Indian Penal Code, 1860 (45 of 1860).