13. Powers and functions of the District Appellate Authority.

(a) Summoning and enforcing the attendance of persons and compel them to give oral or written evidence on oath and to produce documents and things;
(b) Requiring the discovery and inspection of documents;
(c) Receiving evidence on affidavit;
(d) Issuing summons for examination of witnesses or documents;
(5) The Presiding Officer of the Appellate Authority shall enquire and hear each complaint / dispute and shall pass order.