(1) The Government or the Tribunal or the Registrar on the application of any party may review their own order in any case, and pass in reference thereto such order as they think just :
Provided that no such application made by the party shall be entertained unless the Government or the Tribunal or the Registrar, as the case may be, is satisfied that there has been the discovery of new important matter of evidence, which after the exercise of due diligence was not within the knowledge of the applicant or could not be produced by him at the time when order was made or that there has been some mistake or error apparent on the face of the record, or for any other sufficient reasons :
Provided further that no such order shall be varied or revised unless notice has been given to the parties interested to appear and being heard in support of such order.
(2) An application for review under sub-section (1) by any party shall be made within thirty days from the date of communication of the order of the Goverment or the Tribunal or the Registrar.
Revision.