150. (1) A Revenue-officer may, on application made in that behalf by any party interested or of his own motion review any order passed by himself or by any of his predecessors in office under this Part, and in so reviewing any order, may modify, reverse or confirm any such order: Provided that- (a) an application for review of an order shall not be entertained unless it is made within thirty days from the date of such order or, when such application is presented after the expiry of the said period of thirty days, unless the applicant satisfies the Revenue-officer that he had sufficient cause for not making the application within the said period; (b) an order shall not be reviewed if an appeal has been preferred against such order or an application for revision of such order has been made to the superior Revenue Authority; and (c) an order shall not be modified or reversed on a review unit reasonable notice has been given to the parties concerned to appear and be heard in the matter. (2) No appeal shall lie from an order rejecting an application for review or confirming on a review any previous order.