(1) The Tribunal to which a reference has been made under section 8, or to which an application has been made under that section, shall, after1 taking such evidence as may be adduced before it and after making such inquiry as it may think fit and after hearing such persons as it may deem appropriate, by order, decide the question as to whether the person named in such reference or application, as the case may be, is or is not an illegal migrant:
Provided that where for the determination of such question in any case the decision on any issue renders any decision on any other issue or issues unnecessary, the Tribunal may not decide such other issue or issues.
(2) Where the members of the Tribunal differ in their opinion on any point, the decision on such point shall be according to the opinion of the majority of such members.
(3) The Tribunal shall send a copy of every order passed by it to the prescribed authority and w the parties to the reference, or the application, as the case may be.
(4) Every order passed undei sub-section (1) shall, subject to the decision of the Appellate Tribunal, be final and shall not be called in question in any court.
13. Every reference made to a Tribunal under section 8 or application made to a Tribunal under that section shall be inquired into as expeditiously aG possible and every endeavour shall be made to conclude such inquiry within a period ot six months from the date of the service, on the person concerned, of a copy of the main grounds on which the reference" has been made to the Tribunal, or where an application has been made to it, a copy of the application.
14. The Central Government, or any person, named in a reference or an application under section 8, or any applicant under sub-section (2) of that section may, if it or he is not satisfied with any order made by a Tribunal under section 12, prefer an appeal to the Appellate Tribunal against such order.