aditya@aditya-home:~$ xrandr --newmode 1360x768_60.00 84.75 1360 1432 1568 1776 768 771 781 798 -hsync +vsync
aditya@aditya-home:~$ xrandr --newmode 1360x768_60.00 84.75 1360 1432 1568 1776 768 771 781 798 -hsync +vsync
X Error of failed request:  BadName (named color or font does not exist)
  Major opcode of failed request:  140 (RANDR)
  Minor opcode of failed request:  16 (RRCreateMode)
  Serial number of failed request:  31
  Current serial number in output stream:  31