Exclude List Is Not Working

Dear All ,

Exclude List Is Not Working Perfectly.Our Need Is To Exclude A Drive While Taking A Backup .Even When We Mention That Drive Letter In The Exclude List While Taking The Backup It Takes That Drive Also.We Had Disabled The Multistreaming Options Also Still The Problem Persists .Or Is There Any Work Around To Exclude A Drive From Backup.Kindly Do The Needful 

Machine Backup Type Is - VM Backup 

Machine OS - Windows 2008 Server 

Total Number Of Drives - C:\ & D:\  (E:\ Need To Be Excluded)

Netbackup Version - 7.5

Regards 

Mothi Prasad.P