Sadhbhawana Party General Secretary Manish Suman said that the meet at the Tinkune-based office of Federal Socialist Forum Nepal (FSFN) will review protests including border blockade.
Leader of Tarai Madhes Sadbhawana Party (TMDP) Ram Naresh Yadav said the leaders are discussing Rangeli incident and protests being waged in Madhes.
The parliament meeting on Saturday night had endorsed the Constitution Amendment Bill amidst protest by Madhes-based parties.
India has welcomed the amendments, which has piled pressure on the front to discontinue sit-ins at border checkpoints.
The meeting will be focused on whether lifting border blockade at Birgunj entry point, it is learnt.
Related story
UDMF rejects new amendment bill
