hi,
1)First Take backup of current database with to NewTestDbNew.bak
BACKUP DATABASE [oldTestDb] TO DISK = N'D:\NewTestDbNew.bak' WITH NOFORMAT, NOINIT, SKIP, NOREWIND, NOUNLOAD, STATS = 10
GO
2) Restore above NewTestDbNew.bak to your required name and required file path.
RESTORE DATABASE [NewTestDbNew] FROM DISK = N'D:\NewTestDbNew.bak'
WITH FILE = 1, MOVE N'BACKUPAEMMS_Data'
TO N'E:\database\NewTestDbNew.MDF',
MOVE N'BACKUPAEMMS_Log' TO N'E:\database\NewTestDbNew_1.LDF',
NOUNLOAD, STATS = 10
GO