In Gogu Shyamala's "The Phantom Ladder", a brahmin medical student is magically transported to a smasaanam (cremation ground), where a spectral entity schools him on the history of caste oppression and Dalit resistance.
Read it in THE BLAFT BOOK OF ANTI-CASTE SF
https://www.blaft.com/collections/new-arrivals/products/the-blaft-book-of-anti-caste-sf