The seniority of an Officer absorbed after being on deputation or absorbed directly without being on deputation, If he has been holding already (on the date of absorption) the same or equivalent grade on regular basis in his parent department, is determined from the date he has been holding the post on deputation or the date from which he has been appointed on a regular basis to the same or equivalent grade in his parent department whichever is earlier. The fixation of seniority in aforesaid manner, however, will not effect any regular promotion to the next higher grade made prior to the date of such absorption. O.M. No. 22011/1/2000-Estt.(D) Dated 27.03.2001