I cannot think of a similar word in Hindi and other Indian languages (spoken by more than 1.2 Billion people). The closest is "Haan" in Hindi which literally me

I cannot think of a similar word in Hindi and other Indian languages (spoken by more than 1.2 Billion people). The closest is "Haan" in Hindi which literally means "yes" but is never used to express confusion over what the other person just said like huh is. Unless of course the person is influenced by English use of huh and has come to use it because of the usage in Western media.