Get False Ceiling Done to give ceiling a new look. Get a grilled uPVC window and based on your furniture get wall paper on the wall where it enhances the look of room. A lot depends upon your budget

based on your location details, you have to choose n discuss with

hloo i want renovation olz tell and make hall and cover

You need to address the problem at the source of the dampness. This is most important. And it will work out to be comparatively inexpensive as it will eliminate the need for tiles and repainting from time to time. Rest of the solutions are only temporary and decorative in nature as the source problem will be of a continuing nature damaging the structure in the long run. Tiles have their own place and do not look good in all places. Once this leakage problem is addressed, ₹ 3-5 Lacs seems to be a very good budget to take care of all internal and external painting needs.