Hey Sudha ji , I'v a few ideas on the placement , a bed takes 9'x6'3'' so place it on the 15' Wall(you can reduce the width by removing side drawers,then you get 3' extra for bigger wardrobes on both sides) with one wardrobe on each side one for him and one for yourself and a chest of Drawers to keep other stuff handy and two Ottomans or love seat in front of the bed so you have enough space in front of the bed for traffic as well,and on the front wall to the bed place your Wall hung T.V, PLEASE keep the colours light , use white marsh by Asian Paints or Honey dew , here are some pics .

Bt I already have my wardrobe with brown and white colour. Bt how can I decorate my wall with frames. And suggest about door screens and Windows also

1) make ceiling plane cos fan nt look in centre 2) remove yellow & green curtain make it white 3) pest some dark brown design on cupboard 4)make all paint white cos u have too many colours in small room

I agree that your small room can look beautiful. Your floor looks clean, and it is obvious that you wash laundry. Wash your shelves and dry them with a cloth. If your clothing will not get mildew, fold it neatly or roll it (fewer wrinkles) to store it on your shelves. Stack your books and papers neatly - either flat or vertically, depending on the moisture/humidity level of the air in your climate. I see that the wooden bed and another piece of brown wood furniture might benefit from some cleaning followed by an application of furniture wax. I see that the pink base for the desk/table by the bed would benefit from wiping with a damp cloth. Wipe off all surfaces of your chairs. I see that the wall near floor level is discolored. Find out what might be done to clean this. You can make this room clean and beautiful! Best wishes for success.