Career
He was sentenced to transportation for life in the Andamans, but was released in 1921. He was probably the first revolutionary from India who went abroad to obtain military and political training. He obtained training from the Russian emigre in Paris.
He returned to India in January 1908.
Hemachandra decided that what was needed was technical know-how, and he went to Europe to get lieutenant To get money for the trip he sold his house in Calcutta.
Arriving in Marseille toward the end of 1906, he spent a few months trying to get in contact with revolutionaries, or people who knew revolutionaries, in Switzerland, France, and England. Finally he found a backer to support him while he studied chemistry in Paris.
Hemchandra Das returned from Europe with a trunk full of up-to-date technical literature, the most important item of which was a seventy-page manual on bomb-making, translated from the Russian.
Hem had not intended to join forces with Barin, but after a talk with Sri Aurobindo, agreed to cooperate. A suicide squad of two members was sent to kill Kingsford (British Officer) at Mujjaffarpur, after bombing at wrong target, Shaheed Prafulla Chaki committed suicide before the British Indian Police detain him alive but Shaheed Kshudiram Bose failed to commit suicide in time and the Police arrested him. As a result of this incident, the covert bomb factory established by Hemchandra Kanungo was raided by the British Police and shut down.
Almost all of the members were arrested in a short period of time.
