Do you have any drawings or photos of the house so we can have a better idea what it looks like?

The architects have spoken. I have worked on a couple of building in India somewhat similar and know that this is well liked and fairly common. It does need to simplify but you can do this with color so that the parts introduce themselves not all at once, but with a sense importance relative to the massing. With deft coloring you can give balance and you can make the parts feel like they belong to a whole. There is no need to be simple in the Meisian sense. Lots going on can be quite nice. But with a detailed building as with a person, when you meet them you don't need to know everything about them, see the baby pictures, see the scars from their latest operations. No, you just want the person or building to make a good first impression. Then later as you get to spend some time with them and get to know them you can discover all their intricacies.

where u from ? Find near by elevation designer with measurement and site images. Make 3d elevation

Wouldn't ceramic tiles wood finish, laid in planks of 6" x 24" solve the problem? Not my go-to choice though. Another option would be to use texture paint (with larger granules) in a deep chocolate colour