Abstract: The present disclosure relates to system(s) and method(s) for enabling role based privileged access to a user for accessing a plurality of applications. The system is configured to maintain a user profile in a profile database. The user profile stores authentication details and a functional role as well as application role and privilege level corresponding to each application from a plurality of applications, wherein the plurality of applications are configured for conducting clinical trials. Further, the system is configured to provide the user a privileged access to the plurality of application based on the application role of the user and the privileged level associated with the application role.