Khashi Katha is a story narrated by a goat at a slaughterhouse. In order to buy time from being slaughtered, the goat suddenly starts talking and tells the butcher that it has a story to tell. It then starts narrating a tale to the butcher hoping to escape its impending death. Salma and Parvez are fraternal twins living with their father Zahed in a run-down part of Kolkata. Parvez is a jobless failed boxer. Salma eventually starts working a low-paid job in a tannery but is inspired by her brother to try and secure better prospects. She takes to boxing much to the opposition of her father. Training at the local boxing club, Salma turns out to be quite adept at boxing in spite of taunts from another woman boxer Shehzadi, who has an instant dislike for Salma. At the tannery, Salma becomes friends with one of her colleague, Asha, with whom she shares confidences. Meanwhile her brother Parvez starts keeping bad company and gradually goes downhill as a debt collector. Asha's husband, a taxi...