Download the rpmforge for Centos 6
wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.2-2.el6.rf.x86_64.rpm
Install the rpmforge for Centos 6
rmp -Uvh rpmforge-release-0.5.2-2.el6.rf.x86_64.rpm
Now install the ntfs-3g package
yum install fuse-ntfs-3g
Now try mounting your NTFS drive and it should work