Which among the following organisations was responsible for throwing a bomb at Viceroy Lord Hardinge in Delhi?

Who staged a spectacular bomb attack on Viceroy Hardinge while he was making his official entry into the new capital of Delhi?

Who among the following had organised, in 1904, a secret society of revolutionaries named. Abhinav Bharat ?

The revolutionary, who was not involved in Hardinge Bomb incident?

Who among these was convicted and executed for his role in the Delhi conspiracy trial?

Who among the following was not the member of the Hindustan Republican Association (HRA)?