Dr. diwan singh Kalepani
Dr. Diwan Singh was a medical doctor by profession and worked for the British government. While in service of the crown, he revolted against the British imperialism. He was arrested and sent to Rangoon, Burma. From there he was transferred to the Andamans - A vast prison house also known as Kalepani (Black waters). He devoted his services to alleviating the suffering of the criminals housed who passed their days in grinding poverty. He made successful experiments in educating them and embarked on meaningful social reforms and championed the cause of the downtrodden. He also was the president of the Indian Independence League in the Andamans.
During World War II the Japanese occupied the Andaman Islands. He raised his voice against the atrocities committed by the Nippon occupiers and was incarcerated in the Cellular jail where he was tortured for over 80 days. He did not compromise on his principals and gave the ultimate sacrifice.