A shakchunni (hag) with twisted feet, a rather jolly djinn looking for sweets in the ebony of night, long strands of loose hair calling upon an entity, and the night-voice calling children from their sleep– this is what Nuhash Humayun’s horror web series “Pett Kata Shaw’’ has in store for its spectators. Re-narrating famous Bangladeshi folklores, Nuhash’s “Pett Kata Shaw ‘’