Pawan Chamling, the current leader of Sikkim Democratic Front and Sikkim Chief Minister, was the treasurer of SPC 1978–1984.
In the state assembly elections 1979 SPC had launched candidates in all 32 constituencies, and won four seats.
In the state assembly elections 1985 SPC had launched 14 candidates, whom together only mustered 438 votes.
By that time Chamling had crossed over to Sikkim Sangram Parishad.
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