[2] In 2006 she began working as a teacher at Chukha Higher Secondary School.
[2] In 2008 she resigned from her teaching job after being nominated as a Druk Phuensum Tshogpa candidate for the Monggar constituency in the March 2008 National Assembly elections.
She was elected to the National Assembly with 76% of the vote, defeating former Minister of Health Jigmi Singay.
[4] She ran for re-election in 2013, but was defeated by Jigme Zangpo, losing by 272 votes.
[6] However, following the resignation of Gyeltshen, Lhamo contested the by-election on 29 June 2021 as a candidate for the Druk Nyamrup Tshogpa and was elected.