Also known as Kaalpani, this is an unmissable place to be visited during any Andaman tour if you are a history buff. This three-storeyed colonial prison was built by the British in the year 1906, to imprison the freedom fighters who were exiled from the mainland for voicing against them. Various famous personalities such as Veer Savarkar, Yogendra Shukla, Batukeshwar Dutt, Shadna Chandra Chatterjee etc. and even some natives too were hanged here, their gallows. Tourists from all over the world visit them to know more deeply about mishaps faced by the inmate and the very architecture in which they were constructed. The Light and Sound Show conducted here in the museum is a must-do thing here. It would be narrated with the voice-over of famous actor Om Puri. Ever since they were considered as a National Memorial, they are being converted to a museum with an art gallery and Photo Gallery. When visiting them, travellers may climb up to the central watch tower to have a complete view of the jail.