<P> Most of the eminent Jugantar leaders including Bagha Jatin alias Jatindra Nath Mukherjee who were not arrested earlier, were arrested in 1910, in connection with the murder of Shamsul Alam . Thanks to Bagha Jatin's new policy of a decentralised federated action, most of the accused were released in 1911 . </P> <P> The Delhi Conspiracy case, also known as the Delhi - Lahore Conspiracy, hatched in 1912, planned to assassinate the then Viceroy of India, Lord Hardinge, on the occasion of transferring the capital of British India from Calcutta to New Delhi . Involving revolutionary underground in Bengal and headed by Rashbehari Bose along with Sachin Sanyal, the conspiracy culminated on the attempted assassination on 23 December 1912 when a home - made bomb was thrown into the Viceroys's Howdah when the ceremonial procession moved through the Chandni Chowk suburb of Delhi . The Viceroy escaped with his injuries, along with Lady Hardinge, although the Mahout was killed . </P> <P> In the aftermath of the event, efforts were made to destroy the Bengali and Punabi revolutionary underground, which came under intense pressure for sometime . Rash Behari successfully evaded capture for nearly three years, becoming actively involved in the Ghadar conspiracy before it was uncovered, and fleeing to Japan in 1916 . </P> <P> The investigations in the aftermath of the assassination attempt led to the Delhi Conspiracy trial . Although Basant Kumar Biswas was convicted of having thrown the bomb and executed, along with Amir Chand and Avadh Behari for their roles in the conspiracy, the true identity of the person who threw the bomb is not known to this day . </P>

Mention the role of revolutionary movements in india's struggle for freedom