Rajendra Mahato, Minister for Industry and Commerce, resigned from the government in protest.

[5] The party was a founding member of the United Democratic Madhesi Front along with Madheshi Janaadhikar Forum, Nepal and Terai Madhesh Democratic Party.

The front was a key part of the second Madhes movement and demanded that the Interim Constitution should include federalism, proportional representation and population-based constituency demarcation.

Sadbhavana Party joined the government led by CPN (Maoist) with party president Rajendra Mahato joining the cabinet as Minister for Commerce and Supplies.

The protests continued after the constitution was passed by the house resulting in a prolonged agitation in Madhes.