Explanation : B. R. Ambedkar campaigned against social discrimination against Untouchables (Dalits) and other oppressed classes. He injected a degree of self-re-spect to the backward communities and brought them into the national movement. He expounded the importance of a social reform that would abolish caste discrimination and the concept of untouchability in India and joined hands with Gandhi in’ the Harijan movement, which protested against the social injustices faced by people belonging to backward castes in India. ....Read more