much more beautiful if I could see the scene outside the win.
The sofa’s wooden does not make sense enough. think of improving it
Great carpet. Did u use the vray displacement for it? Could share the map and its setting?
here ya go mate 
and for carpet texture try this link theres lots of them
http://persia.org/Images/Persian\_Carpet/index\_rugs.html
and the texmap
With such a wide angle lense, it would be cool if you rendered it with a fisheye lense distortion from Vray.