The Revisional Authority is empowered pass an order to enhance or modify or annul a decision/ order under CGST/ SGST/ UTGST Acts as is passed by an officer sub-ordinate to him, where he finds it to be prejudicial to the interest of revenue if it is erroneous, illegal, improper or has not considered material facts (whether or not available at the time of the original decision/ order). However, such powers are not available to him in case of non-appealable orders.