My cousins built a new house 5 bedrooms and a bonus room room on top floor, 1 bedroom on main floor (for my grandma) and 2 bedrooms in the basement. (8bed, 8bath, 2kitchens, 1 spice kitchen or whatever).
5 people (grandma, parents, two cousins) in the house, each bedroom as its own washroom and walk-in closet.
It’s bit of an open concept, so that basement won’t on rent, unless they make changes to the current layout later.
Most Indians tend to have big houses as the parents tend to stay home with them (not sent to old folks homes as often).