Cabinet Mission to India, which wanted to place Assam into the Muslim-majority grouping of provinces. According to Salkia, through its opposition to the Cabinet Mission grouping RCPI was able to carve out "a niche for itself in the mainstream politics of Assam". In 1946 RCPI discussed a possible merger with the Bolshevik-Leninist Party of India, Ceylon and Burma. The RCPI delegation in the talks consisted of Sudhir Dasgupta, Tarapada Gupta, and Gour Pal. Nevertheless, the merger discussion didn't go through. RCPI refused to join the Fourth International. The BLPI discarded the RCPI line of organizing soviets as a premature move. In September 1947 RCPI and BLPI collaborated to build a United Workers Front to challenge the Congress-led trade unions. In December 1947 Tagore was elected president of the All India Bank Employees Association, at its conference held in Lucknow. Tagore–Dasgupta split Tagore was jailed in November 1947. Tagore was released from prison in 1948. After his release from jail Tagore argued that armed revolution was premature in India. But a sector of the party, led by Pannalal Dasgupta, insisted on turning the campaign of building panchayats into a general armed insurrection. Dasgupta assembled an All India Party Conference in Birbhum in 1948. Tagore requested to resign from the RCPI Central Committee, a request the Birbhum conference rejected. After the Birbhum conference the followers of Dasgupta began to gather arms and prepare for armed struggle. The developments inside RCPI had an echo in the CPI. Dasgupta's view that India was ripe for armed revolution coincided with the position of the new CPI leader B.T. Ranadive. After the Birbhum conference Tagore, at a public meeting in Calcutta, denounced insurrectional line of Dasgupta. Tagore's speech pushed the Dasgupta group to issue disciplinary action against him, accepting his resignation from the Central Committee. Half a year later Tagore gathered his followers for a separate Party Conference, as its 5th Party Congress, in Burdwan. Thus there were two parallel RCPIs, one led by Dasgupta and one led by Tagore. Dasgupta represented the majority group in the split. It was sometimes known as 'RCPI (Rebel Group)' or as 'RCPI (Dasgupta)'. The Tagore-led party was known as 'RCPI (Tagore)'. 26 February 1949 attacks On 26 February 1949 the Dasgupta-led RCPI initiated its armed revolt. They attacked the Dum Dum Airfield, Jessop & Company and the Dum Dum Gun and Shell Factory. At the Jessop plant equipment was