DigiYatra: How to Use It and Wipe Your Face Data

DigiYatra is optional and free — your boarding pass still works the old way

Face data is stored encrypted on your phone, not a central server, and deleted within 24 hours of travel

Registration needs Aadhaar-based KYC; there is no alternate-ID path yet

You can deregister inside the app to purge your account and credential

Live at 30-plus airports and expanding toward 100; a Delhi HC case is testing its data promises