Anushilan Samiti means "Self-Culture Association". The Samiti was established in 1902 in Kolkata under the headship of Pramatha Nath Mitra, a barrister and a patron of the revolutionary movements.
Jugantar was an inner circle within the Calcutta Anushilan Samiti. Extremist activities like attempt to murder, murder and looting against the ruling British government was carried out by the Jugantar party.
Bengal Volunteers was formed under the headship of Major Satya Gupta. It was Subhas Chandra Bose during the 1928 Kolkata session of Indian National Congress who had unionised a group of volunteers.
Hindustan Socialist Republican Association
Bhagat Singh, Yogendra Shukla and Chandrasekar Azad were the key functionaries of Hindustan Socialist Republican Association. It was also considered one of the first socialist organisations in India.
The Berlin Committee was established in Germany during World War I in 1914. The orgnisation was called the Berlin-Indian Committee in the beginning.
The founding members of Communist Consolidation were initially associated with the pro-Marxist section of Anushilan Samiti. They started publishing a hand-written magazine The Call.
The Ghadar Party was established by the Punjabi Sikhs of the United States and Canada in June 1913. The main aim of the party was to free India from the British regime.
Indian Independence League
Indian Independence League was established by praiseworthy Indian nationalists like Subhas Chandra Bose and Jawaharlal Nehru in 1928. Initially the organisation was launched in various parts of South-East Asia, including Indian expatriates.