Explanation:

Hindustan Republican Association/Army or HRA (later renamed Hindustan Socialist Republican Association or HSRA). The HRA was founded in October 1924 in Kanpur by Ramprasad Bismil, Jogesh Chandra Chatterjee and Sachin Sanyal. The first revolutionary groups in Bengal were organised in 1902 in Midnapore (under Jnanendranath Basu) and in Calcutta (the Anushilan Samiti founded by Promotha Mitter, and including Jatindranath Banerjee, Barindra Kumar Ghosh and others.)

Rash Behari Bose was one of the most prominent leaders of the Indian National Movement, especially during the extremist phase. He was one of the masterminds behind the Delhi conspiracy case, participated in the Ghadar movement, and established the Indian Independence league while in Japan.