The Andaman Islands, located in the Bay of Bengal, were used by the British colonial government as a penal colony starting in 1858, primarily to imprison political prisoners and rebels from the Indian Rebellion of 1857. Known as the Ross Island Penal Colony or “Kala Pani” (Black Water), it became infamous for the harsh treatment and high mortality rate among prisoners caused by disease, forced labor, and torture.
Ross Island served as the administrative headquarters of the entire Andaman and Nicobar archipelago. Additional islands such as Chatham and Viper were also used for penal purposes. The penal colony confined not only common criminals but also Indian nationalists and freedom fighters. The British feared that Indian prisoners could inspire rebellion, so they sought to isolate them in this remote location.
Many prisoners were sentenced to hard labor clearing dense forests and building infrastructure under brutal conditions. Some convicts were exiled or transported here multiple times. The penal colony operated well into the 20th century with the construction of the infamous Cellular Jail in Port Blair, designed to punish and isolate political prisoners.
Despite its harsh history, the Andaman Penal Colony also played a role in the colonial administration’s attempts to “civilize” the indigenous population, and in later years, free settlers and displaced tribal groups were brought to the islands under British schemes.
The legacy of the Andaman Islands penal colony continues as a symbol of colonial repression and a site of national historical significance in India and for South Asian independence movements.