[1] Due to ideological differences, Keshab Chandra Sen, one of Brahmo Samaj's key leaders, formed a separate organisation called the Bramho Samaj of India in 1866.

The new society was most influential in the struggle for social reform by encouraging education of women, campaigning for the remarriage of widows and for legislation to prevent child marriages.

[2] When Sen arranged for his daughter to marry the Prince of Cooch Behar, both parties were well under age.

[3] Ananda Mohan Bose, Shibchandra Deb and Umeshchandra Datta were the key leaders of it.

[4] The Sadharan Brahmo Samaj gradually reverted to the teaching of the Upanishads and carried on the work of social reform.