aadhar card

sir, i am ex servicemen, my address in aadhar card is srinagar,when i was posted in srinagar. now i am retired and settled in allahabad.i visited to aadhar center to change my address from srinagar to allahabad. required procedure done by me to change address. now i download aadhar card but my father name is not in aadhar cars earlier it was there... what to do... is the father name mandatory