Which film is featured in the Dravidian language predominantly spoken by the Tamil people of India, and was directed by K. Balachander and came out in 1991?
Tamil language: Tamil ( ; தமிழ் "Tamiḻ " ] ,    ) is a Dravidian language predominantly spoken by the Tamil people of India and Sri Lanka, and also by the Tamil diaspora, Sri Lankan Moors, Burghers, Douglas, and Chindians. Tamil is an official language of two countries, Sri Lanka and Singapore.
i don't know