Rao was born in
Kurnool in 1883. After finishing school education in Kurnool, Nandyal and Gutti, Rao finished his M.A. from
Madras Christian College in 1906. While at the Teachers Training College of
Rajahmundry, he joined the Indian Independence movement.
Rajahmundry college incident Rao and his fellow students attended a lecture by Bipin Chandra Pal at Rajahmundry. Inspired by Pal's speech, the students wore badges inscribed with 'Vande Mataram' to the college the next day. Mark Hunter, the college principal, objected and refused to admit the students until they removed the badges. The students refused. The principal dismissed Rao, who was the student leader, from the college. Hari Sarvothama Rao being debarred from employment as a teacher in any government or aided school or college. Later he was debarred from employment in any government office. This was a critical moment in Rao's life. The Rajahmundry college incident marked the beginning of Andhra student participation in the freedom struggle of the country. American Rocket Scientist and the inventor of Optimum Rocket Nozzle (
Bell nozzle) called Rao's Nozzle or Rao Nozzle), Dr.
Gadicherla V.R. Rao (G.V.R.Rao) is related to Gadicherla Harisarvottama Rao. ==Role in the Freedom Movement==