(1) The Court may from time to time remit the award or any matter referred to arbitration to the arbitrators or umpire for reconsideration upon such terms as it thinks fit-
(a) where- the award has left undetermined any of the matters referred to arbitration, or where it determines any matter not referred to arbitration and such matter cannot be separated without affecting the determination of the matters referred; or
(b) where the award is so indefinite as to be incapable of execution; or
(c) where an objection to the legality of the award is apparent upon the face of it.,