"From the outside, no matter what the gradations of my mixed heritage, the shadow of Indian brown in my skin caused others to automatically perceive me as Hindu or Muslim. . . . Still, I trekked through life with the spirit of a Jew, fleshed out by the unique challenges and wonders of a combined brown and white tradition."

In the politics of skin color, Carmit Delman is an ambassador from a world of which few are even aware. Her mother is a direct descendant of the Bene Israel, a tiny, ancient community of Jews thriving amidst the rich cultural tableau of Western India. Her...