13. Duties of Tribunals.- Where a dispute has been referred to a Tribunal for adjudication, it shall hold its proceedings expeditiously and shall submit its award to the Central Government ordinarily within a period of three months from the date on which such industrial dispute is referred to it: Provided that in computing the period of three months under this section, the period for which the proceedings before the Tribunal have been stayed by any injunction or order shall be excluded. | 
