Tumi Pishach is a horror novel by Anish Deb, one of the steady voices in modern Bengali horror fiction. The title means simply you are a vampire, and the book moves into territory Anish Deb has explored across his career, the slow blurring of the natural and the unnatural in a Calcutta you thought you knew.
If you like Indian horror that does not look much like Western horror, his books are worth your time.