Hari Babu was born in Prakasam district, Thimmasamudram. He made himself into Visakhapatnam to pursue his B.Tech in Electronics and communication engineering in Andhra University four decades ago. He completed his masters as well as Ph D from the same university. He later worked in Andhra University and voluntarily retired while working as Associate Professor in the year 1993 and later became active in politics
Hari Babu participated in Jai Andhra movement in support for the creation of Andhra state as Student leader with Shri Tenneti Viswanadham, Shri Sardar Gouthu Latchanna and Shri Venkaiah Naidu. He served as the Secretary, Students Union Andhra University Engineering College during 1972-73. During 1974-1975, he actively participated in Lok Sangharsh Samithi Agitation under Loknayak Jaya Prakash Narayan and was arrested under Maintenance of Internal Security Act (MISA) during emergency and was imprisoned for 6 months in Visakhapatnam Central Jail and Mushirabad Jail. He served as AP State Executive Member of Janata Party during 1977 and AP State Vice President of Janata Yuva Morcha in 1978.
Hari Babu uses his MPLADS funds with thrust on health, education, drinking water, and skill development. He has advocated transparency in utilization of MPLADS funds and focus on big, long-term projects that will help solve chronic problems. Some of these projects include providing toilets and furniture in all Government schools, drinking water in all areas not covered under GVMC, To encourage people's participation, he conducted One MP - One Idea contest under the scheme.