Mittal joined active politics after
2022 Punjab election, when he was nominated by
Aam Aadmi Party for the
Rajya Sabha. No candidate opposed his election. In September 2024, Mittal was chosen as a member of the
Parliamentary Standing Committee on Finance. On 2 April 2026, Mittal was formally appointed as Deputy Leader of
Aam Aadmi Party, replacing
Raghav Chadha. On 24 April 2026, Mittal along with Raghav Chadha and some other Rajya Sabha MPs of his party AAP, merged with the
Bharatiya Janata Party. ==References==