Priyanka, Wallpaper on doors is not a good idea. You can go for laminate panelling on the wall and matching laminates on the doors. You can choose a veneer as well. The space is too wide for a single door though. You will have to plan accordingly. I am assuming you are talking about the brown door and not the other black door in picture. Nitin CORNERSTONE DESIGNS Bangalore

mostly Indians uses brown varnish paints for their main wooden doors....I even don't know why they didn't use other colors...even in my house doors are given brown color wooden texture...

I agree when you say sliding doors are difficult to maintain, especially when it comes to cleaning the tracks of the door. At first you may make the effort, but later you will so regret it. Hinged doors are easier to maintain. They are a blessing!

Hi Farooq, you should go for wall paneling on that wall with a concealed door. The wardrobe can be a part of the unit in front.