He later joined Andhra University as a faculty member and voluntarily retired as an Associate Professor in 1993 to actively engage in politics.

During 1974 to 1975, Hari Babu joined the Lok Sangharsh Samithi agitation led by Jayaprakash Narayan, protesting against the Emergency.

Hari Babu prioritized the use of his MPLADS funds on key areas such as health, education, drinking water, and skill development.

[7] He has advocated for transparency in the utilization of MPLADS funds and implementation of large, long-term projects aimed at addressing persistent issues.

[8] Notable projects include provision of toilets and furniture in government schools, drinking water facilities in areas not under the purview of Greater Visakhapatnam Municipal Corporation.