[19][20] In February 2020, Chadha contested from Rajendra Nagar in the 2020 Delhi Legislative Assembly election and won against BJP's candidate RP Singh with a margin of 20,058 votes.

On 21 March 2022, it was announced that Chadha along with four others were nominated by AAP for the post of Rajya Sabha members from Punjab for a six-year term starting 2022.

[25] Credited with the party's success in Punjab, on 18 September 2022, Chadha was appointed co-in-charge for the 2022 Gujarat Legislative Assembly election.

[28] After AAP's victory in Punjab, Chief Minister Bhagwant Mann appointed Chadha as the Chairman of an Advisory Panel.

[30] Chadha married Chopra on 24 September 2023 at The Leela Palace, Udaipur, Rajasthan in a traditional Hindu wedding ceremony.

When asked about his long absence, his party colleague Saurabh Bhardwaj claimed that he could have lost eyesight if not for timely operation.

[33] On 8 August 2023, five MPs claimed that their names were mentioned on the proposal to send the Delhi NCR Amendment Bill to the Select Committee without their consent, by a motion moved by Raghav Chadha.