Lamichhane was elected with a majority of 34,312 votes, defeating Nepali Congress’ Umesh Shrestha, an incumbent minister of state, and CPN (UML)’s Krishna Bhakta Pokhrel, the incumbent member of the constituency. In the aftermath of the election, his party supported Pushpa Kamal Dahal’s nomination for prime minister, and Lamichhane led the RSP in government as deputy prime minister and minister for home affairs, and was sworn in on 26 December 2022