It's very difficult giving an advice without knowing how furniture will be distributed, but if you need just some pieces of decoration more than functional, I would choose the chairs, may be a pair of different classic chairs, like something casual.

I wouls get rid of 1/2 the pillows on the sofa too matchy add an area rug that is bright with some other colors to use for accents you have IMO too much brown so I would do blue drapes in the DR take the cloth off the table and add a blue and orange glass bowl for a centerpiece filled with green apples get some pillows in green and orange and a big piece of art work for the wall above the sofa and maybe a mirror on the DR wall and a fabulous light fixture for the DR an arc lamp behind the sofa in the corner so it comes out far enough into the room to light a coffee table.

Turf rug starts from 1400 to 4000 Rs. Wooden Flooring cost is starting from 100 rs. to 250 depends on quality based and requirement Based or more as per sq ft wooden tiles in rainy season yeah you can protect with artificial green carpet. and also this tips for interior and exterior hope you can understand : People have the general idea that you must keep all the windows and doors closed during the monsoon. Wooden floors need fresh air. You can keep the windows closed while it rains heavily, but as soon as it lets up, you must open them all to let the moisture and dampness escape. If there is water spillage in your floors caused by heavy rains and winds, dry it up immediately and let the water evaporate.In case, the rains bring in a lot of mud and dirt, you must clean up the mess immediately and remove all traces of contaminants between the boards and the corn

i see a light point there- utilize it to create a back-lit design panel on acrylic Or a back-lit mdf cut-design. Since its a dining room, you can also add some shelves/open boxes for display