Keshavchandra Sen did important contribution to propagation of Brahma Samaj after Raja Ram Mohan Roy. He was born on November 19, 1838 CE in Kalutola Mohalla of Calcutta. He become a zealous activist of Brahma Samaj on coming in contact with Devendranath Tagore. Keshavchandra Sen gave permission to propagate the study of all the religions in Brahma Samaj. He started taking more interest in social reforms.
Due to this, conflict started to arise between Devendranath Tagore and Keshavchandra Sen. In 1867, Devendranath Tagore removed Keshavchandra sen from the post of Acharya. Brahma Samaj split into to parts. Samaj of Devendranath Tagore came to be called as ‘Adi Brahma Samaj’ and Samaj of Keshav Chandra Sen came to be called as ‘Bharat ka Brahma Samaj’.
Keshav Chandra Sen strongly opposed child marriage, but he got his 13 years old daughter married with the old king of Kuchuihar. Due to this, some of his followers became unhappy with him and Keshav Chandra Sen’s ‘Bharat ka Brahma Samaj segragated in 1878 CE. People who believed that they were progressive separated from ‘Bharat ka Brahma Samaj’ and established ‘Sadharan Brahma Samaj.
