Yashica Dutt, author of “Coming Out as Dalit: A Memoir of Surviving India’s Caste System,” reads an excerpt to an audience at Northwestern University in Evanston on May 1. Dutt also spoke at the University of Chicago and Oakton Community College during her recent book tour. Tyler Pasciak LaRiviere/Sun-Times Yashica Dutt had just finished a glass of falooda when the sweetness of the milky drink, layered with vermicelli, rose water and basil seed…