Q. Who established Bharatvarshiya Brahmo Samaj?
Answer:
Keshub Chandra Sen
Notes: Keshub Chandra Sen became a member of the Brahmo Samaj in 1857 but established his own breakaway "Bharatvarshiya Brahmo Samaj" in 1866 while the Brahmo Samaj remained under the leadership of Debendranath Tagore.