Yes, you can now download your Aadhaar card using your mobile number. This facility is available on the UIDAI website. All you need to do is enter your 12 digit Aadhaar number and then select the ‘Download Aadhaar’ option. You will then be sent a one-time password (OTP) to your registered mobile number. Once you enter this OTP, your Aadhaar card will be downloaded in PDF format.