Solution:The Anushilan Samiti was established by Pramathanath Mitra, a barrister from Calcutta on 24 March 1902.It was headed by Barindra Kumar Ghosh.
A number of nationalists were associated with it at various times, notably Aurobindo Ghosh (Sri Aurobindo), Bhupendra Natha Datta (brother of Swami Vivekananda). Deshabandhu Chittaranjan Das, Surendranath Tagore, Pulin Bihari Das, Sarala Devi, Rash Behari Bose, Jatindranath Mukherjee (Bagha Jatin), SachindranathSanyal, Jatin Das, and Bipin Chandra Pal.