Analysis of information sources in references of the Wikipedia article "History of the Anushilan Samiti" in English language version.
A Bengali police officer, Nandalal Banerji was also travelling in the same compartment ... Nandalal suspected Prafulla and tried to arrest him. But Prafulla was quite alert; he put his revolver under his own chin and pulled the trigger ... This happened on the Mokama station platform on 2nd May, 1908.