Established in 1867 at Bombay, the _______ sought to remove caste restrictions, abolish child marriage, and encourage the education of women, etc.

Prarthana Samaj

The correct answer is option 3- Prarthana Samaj

The Prarthana Samaj was established in 1867 at Bombay, and it sought to remove caste restrictions, abolish child marriage, and encourage the education of women, etc.

The Prarthana Samaj was a social and religious reform movement that was founded in Bombay in 1867 by Atmaram Pandurang, Keshav Chandra Sen, and others. The movement was inspired by the ideals of the Brahmo Samaj, which had been founded in Bengal in 1828. The Prarthana Samaj was a monotheistic religion that rejected idol worship, polytheism, and the caste system.

The Prarthana Samaj played an important role in the social reform movement in India. It campaigned against child marriage, widow remarriage, and the caste system. It also promoted the education of women and social justice.