In India, some families do follow this type of setup. My neighbor was asking me if I wanted to sell my apartment because he wanted to combine his apartment with

In India, some families do follow this type of setup. My neighbor was asking me if I wanted to sell my apartment because he wanted to combine his apartment with mine so that his parents could stay with him. In my neighborhood there are few families, who could afford, have bought 2-3 apartments and combined them so that three generations can stay under one roof.