You can go for hard natural flooring for your common areas like hall, dining and stairs. For the rooms its up to your budget. There're so many choices like wooden flooring, Vitrified tiles. Marble flooring. For the bathroom you must go for anti skid floors which have there own specifications. For bathroom wall tiles market is full of choices .You can select as per your choice. About the colors in different areas, you should choose light and bright colors for your common areas. For the rooms, you can definitely play with different colors depending upon the who is accommodating the room and the interior theme. You can use wall papers and decals to highlight one of the wall in all the rooms.

please consult an architect. Houzz website allows you to search and find professionals in your city

Namaste Sir, what kind of theme are you interested in? Where is the north direction? Our team will provide you with different feasible layouts. Kindly contact here for more information: no.- 9638104488

please give me some demo of the map of 300 yard house which is front width opening and back width opening.I want to make parking & garden.So explain me design for 1st floor with 4 bhk