Anushilan Samiti
By 1902, Calcutta had three secret societies working toward the violent overthrow of British rule in India. One was founded by Calcutta student Satish Chandra Basu with the patronage of Calcutta barrister Pramatha Mitra, another was led by Bengali woman Sarala Devi and the third was founded by Aurobindo Ghosh. Ghosh was one of the strongest proponents of militant Indian nationalism at the time. By 1905 the work of Aurobindo and his brother, Barin, enabled Anushilan Samity to spread throughout Bengal. Nationalist writings and publications by Aurobindo and Barin, including "Bande Mataram" and "Jugantar", had a widespread influence on Bengal youth. The 1905 partition of Bengal stimulated radical nationalist sentiments in Bengal's Bhadralok community, helping Anushilan acquire a support base of educated, politically-conscious and disaffected members of local youth societies. Its program emphasized physical training, training its recruits with daggers and "lathis" (bamboo staffs used as weapons). The Dhaka branch of Anushilan was led by Pulin Behari Das, and branches spread throughout East Bengal and Assam. More than 500 branches were opened in eastern Bengal and Assam, linked by "close and detailed organization" to Pulin's headquarters at Dhaka. It absorbed smaller groups in the province, soon overshadowing its parent organisation in Calcutta. Branches of Dhaka Anushilan emerged in Jessore, Khulna, Faridpur, Rajnagar, Rajendrapur, Mohanpur, Barvali and Bakarganj. Estimates of Dhaka Anushilan Samiti's reach indicate a membership of 15,000 to 20,000. Within two years, Dhaka Anushilan devolved its aims from the Swadeshi to that of political terrorism.
Anushilan Samiti
From its foundation to its gradual dissolution during the 1930s, the "Samiti" challenged British rule in India by engaging in militant nationalism, including bombings, assassinations, and politically-motivated violence. During its existence, the "Samiti" collaborated with other revolutionary organisations in India and abroad. It was led by nationalists such as Aurobindo Ghosh and his brother Barindra Ghosh, and influenced by philosophies as diverse as Hindu "Shakta" philosophy propounded by Bengali literaetuer Bankim and Vivekananda, Italian Nationalism, and Pan-Asianism of Kakuzo Okakura. The "Samiti" was involved in a number of noted incidences of revolutionary attacks against British interests and administration in India within the decade of its founding, including early attempts to assassinate Raj officials whilst led by the Ghosh brothers. These were followed by the 1912 attempt on the life of the Viceroy of India, and the Sedetious conspiracy during World War I led by Rash Behari Bose and Jatindranath Mukherjee respectively.