The trade union of the party was called Sarva Shramik Sangh (SSS).
Earlier, SSS published a Marathi daily newspaper from Pune called Shramik Vichar.
During the 1980s, the LNP developed a close cooperation with Kamgar Aghadi.
[citation needed] In 1988, a split occurred when a hardline section, critical of the Perestroika, broke away and formed the Lal Nishan Party (Leninvadi).
The LNP participated in the Confederation of Indian Communists and Democratic Socialists.