following the attempted killing of kingsford by two revolutionaries khudiram and prafulla on 30 april 1908, the police intensified its investigation which led to the arrest of barin and aurobindo ghosh on 2 may 1908, along with many of his comrades. the trial (known as the alipore bomb case) initially sentenced barin ghosh and ullaskar datta to death. however, the sentence was reduced to life imprisonment, by deshbandhu chittaranjan das and barin was deported to the cellular jail in andaman in 1909 along with other convicts.