The correct option is D Rash Behari Bose
Rash Behari Bose threw a bomb on Viceroy Lord Hardinge and this event in history is called Delhi Conspiracy case of Delhi-Lahore Conspiracy.It took place in 1912 and was an attempt to assassinate the then Viceroy of India, Lord Hardinge, on the occasion of transferring the capital of British India from Calcutta to New Delhi.