[9] Tagore had turned hostile towards Stalin, possibly as in reaction to his failed bid to gain recognition from the Communist International in 1928.

[6] Other founders of the Communist League included Sudhir Dasgupta, Prabhat Sen, Ranjit Majumdar and Arun Banerjee.

[11] After the formation of the Communist League Tagore began touring the Bengal country-side, organizing peasants to struggle for abolishing the zamindari system.

[citation needed] In early 1938 Tagore built a peasants wing, the Bangiyo Pradeshik Kisan Sabha, separate from the CPI-led Krishak Samiti.

[citation needed] Tarapada Gupta set up the Communist League branch in Murshidabad in 1936, raising the red flag for the first time in recorded history in the district.

[16] This time he visited Khagen Barbarua at his village in Upper Assam and discussed building the party organization in the province.

[12] Through the Radical Institute, RCPI promoted dissemination of locally produced weaponry to use against British government forces in Assam.

Fifthly, the ripening of the ideological premises for the growth of real leftism as a result of the political development, both national and international.

The national revolution in India has definitely jumped over the hurdles of Gandhism and has scornfully rejected the petty bourgeois Congress Socialism which is at the service of the Indian bourgeoisie.

Only the political line of the Revolutionary Communist Party stands fully vindicated by the development and march of the national revolutionary movement.In 1945 RCPI raised two key slogans in Assam, 'land to the tiller' (nangal jar mati tar) and 'one third share' (tin bhag), slogans which became very popular amongst landless peasants and agricultural labourers.

[12] In September 1947 RCPI and BLPI collaborated to build a United Workers Front to challenge the Congress-led trade unions.

[7] But a sector of the party, led by Pannalal Dasgupta, insisted on turning the campaign of building panchayats into a general armed insurrection.

[7] Tagore's speech pushed the Dasgupta group to issue disciplinary action against him, accepting his resignation from the Central Committee.

[38] In the wake of the Dum Dum-Basirhat attacks, the party decided to launch an armed movement for the independence of Assam from India.

[39] The Assam government placed a ban on the party, citing the pretext that RCPI organized peasants to cease payments to landlords and supported illegal felling of trees.

[39] In early 1950 RCPI killed Ganga Sarma, a local Indian National Congress leader in Assam, during a meeting.

[69][70] After the 1969 West Bengal Legislative Assembly election Kumar was named Food and Supplies Minister in the second United Front state government.

[7][71][72] The Food Minister had been given to the Communist Party of India (Marxist) in the coalition government, but CPI(M) opted to name Kumar as its choice for the post.

[77] In the 1971 West Bengal Legislative Assembly election RCPI won three seats; Bimalananda Mukherjee in Santipur, Sudhindranath Kumar in Howrah Central and Trilochan Mal in Hansan.

[81] Whilst RCPI lost its Dhing seat in the 1972 Assam Legislative Assembly election, it managed to score an impressive victory against Dharanidar Chowdhury in Bhabanipur constituency.

[85] Sarangdhar Muduli, a trade unionist, contested the Sukinda seat and obtained 478 votes (1.21%)[85][86] Ahead of the 1977 Indian general election RCPI was one of the six founding parties of the CPI(M)-led West Bengal Left Front.

[91][92][93] Three of the candidates won their seats; Bimalananda Mukherjee was elected from Santipur, Trilochan Mal from Hansan and Sudhindranath Kumar from Howrah Central.

[94][95] RCPI fielded three candidates in the 1982 West Bengal Legislative Assembly election; Mukherjee in Santipur, Kumar in Howrah Central and Mal in Hansan.

[99][100] In 1984 CPI(M) wanted to nominate Kumar for a Rajya Sabha (Upper House of the Parliament of India) seat, but that proposal met resistance from other Left Front partners.

[105] RCPI fielded three candidates in the 1987 West Bengal Legislative Assembly election; Sankar Mondol in Howrah Central, Bimalananda Mukherjee in Santipur and Trilochan Das in Hansan.

[106] RCPI contested two seats in the 1991 West Bengal Legislative Assembly election; Trilochan Das in Hansan and Asim Ghosh in Santipur.

[107] In the 1996 West Bengal Legislative Assembly election RCPI fielded Bimalananda Mukherjee in Santipur and Mihir Bain in Hansan.

Shamsul Huda from Dhing, Baneswar Saikia from Batadroba, Khagen Barbarua from Amguri and Budha Baruah from Mahmara.

[124] When the Assam agitation began, RCPI and other progressive forces urged the agigatators to accept 25 March 1971 as the cut-off date for deportation of migrants.

[131] RCPI joined the Nationalist Congress Party-led Regional Democratic Alliance ahead of the 2001 Assam Legislative Assembly election.