Dear Sudha, you must have chosen Adhar card, Voter's card or Driving license as a part of your application filling process. And you also must have uploaded the scanned image of your photograph, signature and thumb impression. So when you download your admit card, the admit card will have those details and you are supposed to paste the most recent photo on the admit card. And on the day of exxamination, you are supposed to carrybwith you any one among your Aadhar card, Voters Id, Driving License.