Utilizzo del verbo "have" in relazione all’India
If you think India (or any country) is a non-countable collective entity or a group of individuals, then the singular verb should be used: India has won the game.
Utilizzo di "has" e "have" con pronomi singolari
Because everyone is a singular word, so we must use has, which is an ‘s’ verb to use after the third person singular, like he, she, it.
Corretto utilizzo di "every" con il singolare
In order to address each individual member of a complete group of something, we use every + singular noun.