A Bombay educated Hindu returns to his South Indian village and falls in love with a Muslim girl... well, what can you do? Pretty sure not falling in love with Manisha Koirala is against the law everywhere. They elope and marry, causing both their families to disown them.
Mani Ratnam gets a bit heavy handed in the second half with the "Hindu and Muslim brothers torn apart by mob violence" theme, but the Romeo & Juliet love story that leads up to it is so sweet and the leads so compelling that he lands it... especially with A.R. Rahman dropping a steady stream of hits on us: in the top 3 A.R.R. soundtracks.
Mahesh Bhatt's Zakhm handles similar themes better, with more subtlety... and perhaps even, if such a thing is conceivable, a better soundtrack.