He has an elder brother, Jalagam Prasada Rao, a former minister.
He was a technocrat and was running a software company in Hyderabad, VJ Info.
[3][4] Jalagam Venkat Rao won as MLA from Kothagudem assembly constituency in 2014 general elections, the first and the only TRS legislator from the Khammam district.
[5] In 2018 Telangana Assembly Elections he contested as MLA from Kothagudem Assembly constituency representing the then Telangana Rashtra Samithi (TRS) and had lost to his Congress rival Vanama Venkateswara Rao.
The Telangana High Court, after four years of courtroom battle, held that Venkateswara Rao stood disqualified as Kothagudem MLA Tuesday, 25 July 2023.