The SSC's main constituents were Nepalese, while its opponent, the Sikkim National Party, had support among the Bhutia and Lepcha people.
After the formation of the Congress, Tshering organised its first public meeting in 7 December 1947 at Gangtok demanding abolishing landlordism, forming an interim government and accession to India.
The Congress started fresh agitation in February,1949 demanding the formation of an interim government and democratic reforms following which Chandra Das Rai and five others were arrested.
Under their leadership the party greatly moderated it’s anti-Chogyal stand and participated in the Royal Sikkimese administration through subsequent wins in elections to the State Council.
[3] The party was part of Sikkimese administration throughout the pre merger period with subsequent wins in all elections to the State council.