In the
2015 Myanmar general election, he was elected as an
Amyotha Hluttaw MP from Kayin State No. 9 parliamentary constituency. where he served as a member of the Amyotha Hluttaw's Bill Committee.
Arrest and imprisonment On February 1, 2021, Dr. Aung was placed under arrest and detained during the
2021 Myanmar coup d'état, and charged with violating the Anti-Corruption Law in a land use permit transaction. He was later charged in April with
sedition under Article 505(b) of the Penal Code for a statement published by the Central Executive Committee of the
National League for Democracy (NDL) appealing to the public for support against the coup. Dr. Aung was convicted of sedition on December 6, 2021 by a military junta court, and sentenced to 2 years incarceration.
Amnesty International called the sentences and decisions "bogus", "farcical" and "corrupt". ==References==