P. Balakrishna was a Dalit activist during 1930s & 40s. Harijanabhyudayam is a brief history of social reform movement and Dalit movement in Andhra during since late nineteenth century to 1947
It is a speech delivered by B. K. Gaikwad, President Republican Party of India on the occasion of the 5th session of the R.P.I. held at Delhi on 1st May 1965