RD Service Registration is an Android application developed by Radium Box that enables users to register their biometric devices with the OEM server Aadhaar. This app ensures that only registered biometric devices are used for Aadhaar authentication and eKYC transactions.

The app provides guidelines from UIDAI (Aadhaar) and allows users to check the registration status of their device. If the device is not registered, users can easily register or recharge their RDservice using the given form. Once registered, users can download the driver and start using their biometric device for Aadhaar authentication and eKYC transactions.

Overall, RD Service Registration simplifies the process of registering and using biometric devices for Aadhaar authentication and eKYC transactions. It is a must-have app for anyone who needs to use biometric devices for Aadhaar authentication.