Sohan Singh Bhakna and Har Dayal were primarily associated with which of the following organisations?

Sohan Singh Bhakna and Har Dayal were primarily associated with the Ghadar Party.

The Ghadar Party was a revolutionary organization founded in 1913 by Indian expatriates in North America with the goal of overthrowing British rule in India. Sohan Singh Bhakna was one of the key leaders of the Ghadar Party, and Har Dayal was also a prominent figure associated with the movement.