What do indian women eat during Pregnancy to have light skin

Okay, i live in New york and i am attending college right now. The women whom i have class with (indian) she is pregnant and she told me something very interesting. She said that people india eat certain foods during pregnancy to make there kids have a light complexion. Is this true?
If it is, what is it do they eat?

It’s my first time to hear about this. I searched about this and let’s see.