History of the Anushilan Samiti
Around 1902, Aurobindo Ghosh arranged for Bannerjee to return to Calcutta to begin organisational work, where he began a gymnasium and a youth society. It was at this time that Bannerjee came in touch with Vibhuti Bhushan Bhattacharya, Sarala Devi Ghoshal and Pramathanath Mitra. In Calcutta, a few clubs and societies were still active at the time. Most notable was a gymnasium in Ballygunge Circular Road run by Sarala Devi herself, a second was an organisation named "Anushilan Samiti" founded by Satish Chandra Basu with the patronage of Pramathanath Mitra. A third one was a youth club called "Attōnnōti Samiti" (Self-improvement society) in central Calcutta.
Anushilan Samiti
In 1927, the Indian National Congress came out in favour of independence from Britain. Bengal had quietened over a four-year period, and the government released most of those interned under the Act of 1925 despite an unsuccessful attempt to forge a Jugantar-Anushilan alliance. Some younger radicals struck out in new directions, and many (young and old) took part in Congress activities such as the 1928 anti-Simon agitation. Congress leader Lala Lajpat Rai died of injuries received when police broke up a Lahore protest march in October, and Bhagat Singh and other members of the Hindustan Socialist Republican Association avenged his death in December; Singh later bombed the legislative assembly. He and other HSRA members were arrested, and three went on a hunger strike in jail; Bengali bomb-maker Jatindra Nath Das persisted until his death in September 1929. The Calcutta Corporation passed a condolence resolution after his death, as did the Indian National Congress when Bhagat Singh was executed.