Delhi conspiracy refers to a conspiracy in 1912 to assassinate the then Viceroy of India, Lord Hardinge, on the occasion of transferring the capital of British India from Calcutta to New Delhi. On December 23rd 1912, when the possession of Lord Hardinge reached Chandni Chowk (Delhi), a bomb aimed at Hardinge ended up killing a man to his right and 20 other spectators. Basanta Kumar Bisbas, who threw the bomb disguised as a lady was arrested and hanged in Ambala jail. It is said that the Delhi Conspiracy was hatched by Ras Bihari Bose, but was never proved.