17. Powers of State Appellate Authority and Procedure before it.

(i) summoning and enforcing the attendance of any person and examining him on oath;
(ii) discovery and production of any document or other material object producible as evidence;
(iii) receiving evidence on affidavits;
(iv) requisitioning of any public record;
(v) issuing commission for the examination of witnesses;
(vi) such other matter which may be prescribed.