She served in the National Assembly of Serbia from 2012 to 2014, initially as a member of the Liberal Democratic Party (LDP) and subsequently as an independent.
Several party members in Niš, including Jefić Branković, announced their resignations en masse in November 2012.
In the same month, she strongly criticized a decision by Serbia's ministry of culture not to fund the "Nišvil" jazz festival.
Jefić Branković subsequently joined the SDPS, which contested the 2016 Niš City Assembly election on a coalition list led by the Serbian Progressive Party.
[12][13] She subsequently became the deputy leader of an assembly grouping that also included the Movement of Socialists and the United Peasant Party, both of which were also aligned with the Progressives.