What are the powers conferred on the Revisional authority as regards passing of order

After making such further inquiry as may be necessary, pass such order, as he thinks just and proper, including enhancing or modifying or annulling the said decision or order. Review authority, may stay the operation of the order sought to be reviewed.

(ICAI FAQ PUBLICATIONS 06-09-2017 Revisional Powers of Chief Commissioner or Commissioner : FAQ NO. 17)