Kalapani or Kala Pani, meaning "Black Water" in Indo-Aryan languages, may refer to: Places Kalapani River, one of the headwaters of the Kali River on the border between India and Nepal Kalapani territory, a disputed territory between India and Nepal under Indian administration Kalapani, Bhopal, a village in Madhya Pradesh, India Kala Pani, also known as Cellular Jail, a colonial-era prison in India Kala Pani, Pakistan, a village in Abbottabad, Pakistan Film Kala Pani (1958 film), a 1958 Indian film (Hindi) about the Kala Pani prison Kaalapani, a 1996 Indian film (Malayalam) about the Kala Pani prison Other uses Kala pani (taboo), a taboo of the sea in Indian culture Kalapani (Indian expatriates in UK), Indian expatriates who went to UK during the 17th, 18th and 19th centuries See also Blackwater (disambiguation)