国民大会議
Bat-Erdene has been a member of the State Great Khural from 2004 being elected three times from his native Khentii province on behalf of Mongolian People's Party. In 2009-2010 he worked as the chairman of the Legal Standing Committee of the State Great Khural. As a member of parliament, Bat-Erdene has been active in talking to protect nature and homeland against irresponsible mining.