The intricate white marble carvings and the style of the lattice windows are characteristic of traditional Hindu temple architecture in India. The person sitting on the floor, likely a priest or devotee, is surrounded by floral offerings, which is common in such sacred spaces. The overall atmosphere and the attire of the people suggest a devotional setting in a major Indian city. I suspect this is a prominent temple, possibly in a city like Mumbai or Delhi. I am moderately sure of this location.

then: guess