sudo ubuntu-drivers devices
[sudo] password for abhishek: 
== cpu-microcode.py ==
driver   : intel-microcode - distro non-free

== /sys/devices/pci0000:00/0000:00:1c.0/0000:01:00.0 ==
model    : GM108M [GeForce 940M]
vendor   : NVIDIA Corporation
modalias : pci:v000010DEd00001347sv0000103Csd000080A4bc03sc02i00
driver   : xserver-xorg-video-nouveau - distro free builtin
driver   : nvidia-361 - distro non-free recommended