During his stay in Calcutta, Rayamajhi's political mentor was the CPI leader Ratna Lal Brahmin.

[7] During the second party congress held in 1957, Manmohan Adhikari was undergoing treatment for skin disease in China.

Soon after the congress, accusations that Rayamajhi had secret links to the royal palace began to surface within the party.

[9] In November 1960 Rayamajhi travelled to Moscow to take part in the International Meeting of Communist and Workers Parties.

During Rayamajhi's stay in the Soviet Union the King retook direct rule in Nepal.

[13] In 1979 a section of the party, led by Bishnu Bahadur Manandhar, revolted against Rayamajhi's membership in the royal Rajsabha and his soft line towards the monarchy.

Two years later the party held its fifth congress, which elected Rayamajhi chairman and Krishna Raj Burma general secretary.

[14] Rayamajhi was included in the interim government after the 1990 Jana Andolan ('People's Movement') as Minister of Education.

[15][16] Rayamajhi contested the Kathmandu-3 constituency in the 1991 parliamentary election, on behalf of his new party Janata Dal (Samajbadi Prajatantrik).