Steps:

* 1) sudo apt-get install ntfs-3g*

*Installs ntfs-3g library
*
2) sudo fdisk -l

Shows all the disk drives
3) sudo mkdir /media/windowsC

Create a directory for mounting your NTFS file system

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4) sudo cp /etc/fstab /etc/fstab.bak

Take a backup of old conf file

5) gksudo gedit /etc/fstab

Edit the configuration file

6) /dev/sda2 /media/windowsC ntfs-3g defaults,locale=en_US.utf8 0 0

Add the above line to the end of that file. (Here sda2 is the ntfs partition, getting from fdisk -l )

Restart ubuntu and you can see the ntfs filesystem mounted on /media/windowsC