If, for any reason a vacancy (other than a temporary absence) occurs in the office of the presiding officer of a Labour Court, Tribunal or National Tribunal or in the office of the chairman or any other member of a Board or Court, then, in the case of a National Tribunal, the Central Government and in any other case, the appropriate Government, shall appoint another person in accordance with the provisions of this Act to fill the vacancy, and the proceeding may be continued before the Labour Court, Tribunal, National Tribunal, Board or Court, as the case may be, from the stage at which the vacancy is filled.