Chairman of Federal Socialist Forum Nepal (FSFN) Upendra Yadav and Sadbhawana Party Chairman Rajendra Mahato are top leaders attending the procession.
The rally that started from the Biratnagar-based Koshi Zonal Hospital has been attended by general public from different villages of the district. 
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Leaders of United Democratic Madhesi Front (UDMF) have vowed to make the procession peaceful.
Police in large number have been fanned out to prevent any untoward incidents, while marketplaces, schools and colleges have remained closed.
Meanwhile, FSFN Chairman Yadav accused the government of carrying out carnage and demanded investigation into the incident.
“Protest will continue,” He said, “Rangeli incident should be probed.”
