Sehrawat became BJP district vice-president in Najafgarh in 2007 and contested the Matiala assembly seat in 2008 without success. She was later elected a councillor and served as Mayor of the South Delhi Municipal Corporation. She was vice-president of the Delhi BJP in 2016–17.
In 2024 the party fielded her from West Delhi, where she defeated AAP candidate and former MP Mahabal Mishra by 1,99,013 votes (8,42,658 to 6,43,645).
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