Kindly visit below given link to download e Aadhaar letter. To download the Aadhaar letter, it is necessary to have both your enrolment number and date time of your enrolment.Click here to Download your E-Aadhaar Letter Online or
You can also download e Aadhaar Letter by printing through apna csc portal. Visit this link http://apna.csc.gov.in/index.php/g2c-services/3-newsflash/292-printaadhaar.html
eAadhaar Card Letter Download by Name, Mobile Number, Aadhaar No, Date Of Birth, Enrollment Number.