riz@NightViper:~$ dpkg -l | grep -i nvidia
ii  libkwinnvidiahack4                        4:4.9.3-0ubuntu0.1                        amd64        library used by nvidia cards for the KDE window manager
ii  nvidia-common                             1:0.2.71.1                                amd64        transitional package for ubuntu-drivers-common
ii  nvidia-current                            304.51.really.304.43-0ubuntu1             amd64        NVIDIA binary Xorg driver, kernel module and VDPAU library
ii  nvidia-settings                           304.51-0ubuntu2                           amd64        Tool for configuring the NVIDIA graphics driver