The simplest thing to do would be to get rid of the small stuff you have on your wall and replace it with something big. You might try a big mirror with a black frame. You need more stuff up high, so consider putting something on top of the high shelves. I really like your muted colour scheme and the pop provided to the muted scheme by the comode with the green and red. The green picks a little out of the couches. The problem, from a colour point of view, is the yellow-tan cabinet and coffee table. Having three cabinets on one wall is brobs too cluttered. You MIGHT remove the center cabinet, replace it with the comode to cover the switches, then put something big to balance the cabinet on the left, or, better yet, get rid of it too. You could put down a rug with matching colours.

frankly new furniture will be at par with the refurbishment, specially if you are modifying the design. as a standard rate, the cost of new sofa is generally around Rs 8500 per Running foot. so you can calculate your sofa length and find the approx cost

The living room furniture seems very inadequate, and more like patio or foyer furniture. The three-seater especially, looks uncomfortable and uninviting. It would do you good to invest in a fully upholstered 3+ 1+ 1 set or 3+ 2 plus a 1-seater which could be a counterpoint to the remaining furniture. You definitely have the space, but right now the style and the arrangement of the living room section makes it look like a mere passage. The strong flooring pattern dwarfs the furniture further.

Hi Varun. I would suggest going for a new structure for Sofa instead of using this one. Two reasons: 1. The amount of work that will go in to remodel this will not be worth it. 2. The Teak would pieces which have a beautiful design on the posts/legs can be used for table legs etc. instead. Why waste it in concealing in the sofa. Usually for hidden part of Sofa Meranti Wood is good enough. You could use some of the wood from this sofa to make the new one.