In 2013, she joined the
Indian National Congress at an election rally in Churu – her husband's home district – in the presence of
Rahul Gandhi and then chief minister
Ashok Gehlot after she was approached by the Congress's leadership. In
2013 Rajasthan Legislative Assembly election, she contested and lost her first election from the
Sadulpur Assembly constituency as Congress candidate where she finished third behind
BJP and
BSP. In
2018 Rajasthan Legislative Assembly election, she contested again and won the same seat on a Congress ticket, by a margin of 18,084 votes. In
2019 Lok Sabha Elections, Poonia was nominated by Congress from the
Jaipur Rural constituency. She contested against Olympian
Rajyavardhan Singh Rathore of the
BJP. She lost to Rathore by a margin of 3,93,171 votes. Poonia has been helping Rajasthan State Health Ministry in its attempt to curb female foeticide as the selective abortion of female fetuses is a pressing concern in India especially in Haryana where Poonia grew up. She is also engaged in improving the infrastructure of sports for children in Jaipur and across the country. In
2023 Rajasthan Legislative Assembly election, she lost the election from the
Sadulpur Assembly constituency as Congress candidate by a margin of 2,574 votes behind
BSP. ==Honours==