He returned to the capital by a morning flight.
"He arrived in Kathmandu by a morning flight," Party Chief Whip Ram Janam Chaudhary told Republica.
Chairman Gachchhadar had headed to Biratnagar with an agenda of carving out three provinces in the Tarai region.
A meeting of the Constitutional-Political Dialogue and Consensus Committee (CPDCC) to be held in Friday afternoon is expected to finalize the issues of federalism.
With the disputes among the four political parties unsettled, the August 17 deadline to promulgate the new constitution is likely to be affected.
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