Unique Identification Authority of India (UIDAI), on Friday, announced a new feature for the new Aadhaar app. The app, which was launched on Android’s Play Store and iOS’ App Store on November 9, will soon support mobile number updation. The new capability will require users to share one-time password (OTP) and face authentication to link a new number to the app.Unique Identification Authority of India (UIDAI), on Friday, announced a new feature for the new Aadhaar app. The app, which was launched on Android’s Play Store and iOS’ App Store on November 9, will soon support mobile number updation. The new capability will require users to share one-time password (OTP) and face authentication to link a new number to the app.