No such thing as wallpaper for floors, but there are a few good solutions for water resistant flooring. Pvc, vinyl, linoleum, epoxy or polyurethane paint, for example. I see you live in India, I have no idea what products can be bought there.

You could use a cupboard to hide cabels, and, 2 in 1, it decorates the room AND hides cables. You can't put the cupboard to touch the wall because the cables block the cupboard to touch the wall but, who cares?

Some great advice there! You're very right - it is tricky to decide on prints and colours when there are so many to choose from. If you are still looking for inspiration, you can see thousands of images of different wallpaper styles here. Once you've found the styles you like, you can also save them to your own ideabook, to look back over whenever you want. If you need help with this, let me know!

You can get a custom wall art done , glass with bronze, glass painting, that wall should be a center of attraction, anyone walks. I have done this for a site, it works wonders, guest appreciate a unique feature. this can be done as DIY project on weekend also. these are some some real world executed ideas. cheers mate.