looks good.

Well it depends on your wall color as well . since you have such concrete looking floor I would recommend you can chose any electic color like lemon , orange , yellow to give a bright look and uplift room mood or chose any pastle color of your choice for subtle feel . :)

it's nice but want to improve it a little more.

You could put a photograph framed or as a photograph wallpaper behind the sofa or the television. Dahuez offers a range of photographs from Photographers in india & internationally duly signed by them. Big plus that it's affordable. Check www.facebook.com/dahuez