The password of your e -Aadhaar will be the first four letters of your name and year of your birth. Hence, the password format is easy as it ensures that you never forget your password . To open the e -Aadhaar PDF file, it is imperative to enter the e -Aadhaar card password . The Aadhaar card password safeguards the downloaded digital e -Aadhaar card. The Aadhaar card open password combines the first 4 letters of your name in capital and your birth year. Downloading your Aadhaar online gives you a secure, password -protected PDF, known as e-Aadhaar . But many users get stuck at the password prompt. This quick guide explains what the e-Aadhaar password is, how to open your Aadhaar PDF, and what to do if it doesn’t work so that you can access your document hassle-free. What is an e-Aadhaar Card? UIDAI is mandated to issue an easily verifiable 12 digit random number as Unique Identity - Aadhaar to all Residents of India.