How to restrict the access to a NTFS partition to a standard(non-admin) user

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http://askubuntu.com – I have 4 NTFS partitions. I have made 2 users.One myself(Admin) and one for family(standard/non-admin) I successfully restricted the access to my home folder from this standard user.Now i want to restrict it from accessing ALL my NTFS partitions. How do i do this?? I checked this link.But though the answer is accepted it doesnt seem to have helped that OP either as seen in the comments later. So any help would be gr8..!! Thanx..!! (HowTos)