The boys and girls at the party are matched up by height. They dance together. Maybe they do a little grinding. They talk about love ... and marriage. Then they eat birthday cake.
That doesn't sound like a radical event. But in a predominantly conservative Muslim slum in the Indian city of Kolkata it was unheard of. And what made it happen? Lush, romantic Bollywood movies.
That's what Kabita Chakraborty learned after she began doing research in Kolkata.