You have all the reasons to redo the house, its very lifeless and looks worn out. I feel creating a separation will terminate the spaciousness of the room. Adding colours will surely help, Since you have a tan color sofa,I suggest grey, white or light blue color on one of the walls. Add some art works of the color you chose for the wall. This room needs some fillers like , books, throws, candle stands tall and lean. YES DON FORGET 1. Mount the tv on the wall make some space on the floor and Fix a large size mirror ( Wooden Frame if you can afford).

OK... but the wire wont be lower as it is fixed now. The wire in the pics below is the wall facing each other. They were leveled on equal height but the beam on one wall makes it seem a little above. But i think you guys are absolutely right that up and down lights wont look good there. I think you are right about down lights lessismoore. Would it look good if i go with two different lights on opposite walls??? it would look odd right.

As hatetoshop mentioned , moving the bed to the gap between two window is would be right choice. as in current placement you have windows above your head which does not help for a view and looks odd. you could place double curtain rod or use existing curtain rods and add additional sheer /thin curtains for additional privacy during day as well as light. In future you can add two bedside tables as well and some bedside lamps. In India we are still not used to lower lighting (floor lamps, table lamps with warm day light bulbs) but trust me,it will add new dimension to your bedroom. Also some wall art. example a well framed big size ( 2ft * 3ft) art poster above bed (cheap way to add life (I wont use word "Class" (find it too much)) . Also in future you can think about having a pair of bed sheet (to sleep on ) and bed cover/spread (a good quality cotton one) to cover the mattress during day. And a dhurrie runner would be a good addition as well. All above wont cost too much and maybe little bit investment in quality material can be good as well as u don't have to change these often and can be a long term solution.

First, I would ask the builder to give you the dimensions of the furniture used in the plan. Since they've already done the legwork-you will know which pieces will fit. Many times folks go the the furniture store and end up with a huge sectional and it over powers the room. Second, just get what you love! You have to live there. Start to create an idea book in Houzz. You'll start to see a pattern. Then just find a sofa like the one in your pic that is in your price range. Just keep repeating until you have all your pieces. Same thing with wall decor (which I would do last). Have fun!