Babu Amar Singh was a revolutionary in the Indian Rebellion of 1857 and brother of Babu Kunwar Singh. After the death of Babu Kunwar Singh on 24 April 1858, Babu Amar Singh became the chief of the army and despite heavy odds, continued the struggle and for a considerable time ran a parallel government in the district of Shahabad. In October 1859, Amar Singh joined the rebel leaders in the Nepal Terai.