The Bangabhasha Prakasika Sabha was formed in 1836 by associates of Raja Rammohan Roy. 

• The East India Association was organised by Dadabhai Naoroji in 1866 in London to discuss the Indian question and influence public men in England to promote Indian welfare. Later, branches of the association were started in prominent Indian cities. 

• The Indian League was started in 1875 by Sisir Kumar Ghosh with the object of “stimulating the sense of nationalism amongst the people” and of encouraging political education. 

Source: Spectrum’s A Brief History of Modern India.