If you have checked your Aadhaar Card Status and if its showing it have been printed than at that time only you can easily download your Aadhaar Card Letter Online and Print your Aadhaar Card and Start using it. To download go to this link http://eaadhaar.uidai.gov.in/eDetails.aspx just enter the Enrollment Number including Date, Time and Seconds which is specified in Enrollment Acknowledgement Slip you will also have to enter your full name, pin code exact mentioned in the Slip and than click on submit button than next screen it will show your mobile number if its correct you click yes if its not correct you will have to click no and after you will get a new window to enter your new mobile number after entering it will send you a OTP number to your mobile to verify (OTP means One Time Password) within few minutes you will receive the OTP number on your mobile than you will have to enter the OTP number than click next the window will appear showing download button. Click on Download...