Most romantic Bollywood song?

When you first think about it, choosing your most romantic Bollywood song seems like a simple task.

But, consider this: 99.4 per cent of Hindi film songs are about love, and contain the words dil, aashiq and pyaar.

So, don't think of the first song that comes to mind. Take a little more time to consider.

Which is the single most romantic Bollywood song of all time?

Cupid's Cut: Special Valentine's Section