Releasing a book titled 'Irul Parakunna Kalam', a collection of articles on various contemporary issues written by JDU(U) state president Veerendra Kumar here, Vijayan said people wished and wanted the socialist to remain with Left.
There is speculation in political circles over the likelihood of JD(U), now a partner in ruling Congress-led UDF, returning to CPI-M led LDF.
The book releasing function also assumes significance that both the leaders shared a single platform after a gap a several years.
Later, he formed Socialist Janata Dal (SJD) and merged with JD(U) last year.
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Echoing the sentiments of Vijayan for a joint fight against "growing intolerance" in the country under the BJP government, Kumar said there was a need for a united movement against these forces.
Kumar also warned that the nation would disintegrate if "monolithic culture" developed in the country and said Socialists would be always in the forefront to fight the challenges posed by these forces.
Kumar also suggested that some collaborative moves were necessary to fight communalism rising above Front politics.