She represented the ANC in the National Assembly between 2014 and 2019, and she chaired the Portfolio Committee on Public Enterprises from 2017 to 2019 during its inquiry into maladministration at Eskom.
Shortly afterwards, she was recruited to work full-time in the ANC's political organising department, a job she held for several years until her resignation in mid-1997.
[2][3] By the end of 2008, she had succeeded Dlamini-Zuma as ANCWL Provincial Chairperson;[4] her deputy was Dolly Shandu.
[5] In March 2012, Mnganga-Gcabashe stood for a second term as ANCWL Provincial Chairperson but lost in a tense contest with Celiwe Madlopha.
[8][9] In the 2014 general election, Mnganga-Gcabashe was elected to an ANC seat in the National Assembly, the lower house of the South African Parliament; she was ranked fourth on the ANC's regional party list for KwaZulu-Natal.
[12] She succeeded Dipuo Letsatsi-Duba, who had left the committee to become Deputy Minister of Public Service and Administration,[12] and she entered the position amid a high-profile parliamentary inquiry into alleged maladministration at Eskom.