Hello,

The RUC (Registration Unique Code) is used for logging into your account on AIIMS MBBS website. The RUC is generated when you register for AIIMS. When you have to login this credential information is used. The RUC generated will be sent to registered e-mail or mobile number. Please check your inbox to retrieve it. If you don't have that message, you can retrieve by clicking Forgot login details  to get it.