A Tahsildar or a Special Tahsildar may, subject to such orders as may be passed by 3[the Revenue Commissioner or,]3 the 1[xxx]1 2[Regional Commissioner or Deputy Commissioner]2, depute any of his subordinates to perform any portion of his ministerial duties:
Provided that all acts of his subordinates when so employed shall be liable to revision and confirmation by such Tahsildar or Special Tahsildar.