Polygyny or the practice of having more than one wife is legal in India only for Muslims, but National Family Health Survey (NFHS) data shows it is almost as prevalent in other communities, though on the decline in all.
While talking about law and homosexuality, I am reminded of a story of a washerman and his donkey. The donkey refused to move with the heavy bundle of clothes on his back from his house to the pond. The washerman nailed a carrot to a stick, which was tied in front of the animal's mouth.