Possibly replace cot with large built in reading nook. This would provide storage on sides and give the privacy curtain somewhere to be when open. Bring sofa area out in front of tv area. Then being the dining area where the sofa is open part of dining wall if needed. This will give you enough space to extend the kitchen to door and still have mud room of sorts where dining room currently is. Upstairs looks ok consider looking at ship bathroom design. It is far more efficient than conventional. You must still follow local codes though.

Hi Mohit, As you rightly said that in Indian climate best is stone (Marbles, granite, sandstone etc.. ) or tiles. Before suggesting you something I would like o know your location in India and would analyse your lifestyle. While Marble seems to be an obvious choice for many its not the best material always. It is also expensive and needs high maintenance and not a sustainable material. All materials have their pros and cons. Its true wood does not essentially work in most of the climates in India however I must make you aware that there are very nice wood looking tiles available. You get the best of both worlds- cozy look and robust wear and tear. If you wish to explore further with us we provide interior design advice at nominal fees. Contact us at 9820942680, designospire@gmail.com, www.designospire.com

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Hello , Since you have a beige marble flooring, you can opt for a colour scheme that adds a pop of colour to your space. For example, the green and grey colour scheme or the green and taupe colour scheme will look good on a beige flooring, there is also the neutral earth tone colour scheme which has the combination of wine and taupe colour and lastly there is the earth tone colour scheme which consist of golden wheat/ burnt orange colour, These would add a pop of colour to your space and make it look chic