The House of Representatives of Nepal (the lower house of the Federal Parliament) has 166 constituencies, of which 165 elect a single member using first-past-the-post voting and one nationwide constituency that elects 110 members by proportional representation.[1] The current constituencies are based on the Constituency Delimitation Commission (CDC) report submitted on 31 August 2017.[2][3] According to the constitution, the new constituencies cannot be altered for another 20 years (until 2037) and cannot be challenged in any court of law.[2]