Ambika Chakrabarty's father's name was Nanda Kumar Chakarabarty. He was a member of Chittagong Jugantar party. He took part in the Chittagong armoury raid led by Surya Sen. On 18 April 1930, he led a group of revolutionaries, who destroyed the entire communication system in Chittagong. On 22 April 1930, he was seriously injured in the gunfight with the British army in Jalalabad. But he was able to escape. After a few months, he was arrested by the police from his hideout and sentenced to death. However, the sentence was later changed to transportation for life to the Cellular Jail in Port Blair.