You can manage RDS Snaphots from DuploCloud. Go to Navigate to Cloud Services -> Database and select the RDS tab. From the Actions menu, select Manage Snapshots.
The Manage Snapshots page shows the list of all manual and automated snapshots available within a Tenant. Additional details like owner and snapshot shared with the user are displayed. A user can also delete snapshots from this page.
You can view the Snapshot quota limits and numbers of snapshots used and available from this page.