21. Apurba Sen (Bhola). 22. Abaninath Mukhopadhyay (1891 - 1937)

21.Apurba Sen was born in Chattagram. He participated in the robbery of Chattagram armoury and he went underground.. He was surrounded by the police and was killed instantaneous by the police when he was in the house of Sabitri Chakrabarty of Patiyar.

22. Abaninath Mukherji অবনীনাথ মুখার্জি
Born	(1891-06-03)3 June 1891 Jabalpur, Central Provinces, British India
Died	28 October 1937(1937-10-28) (aged 46) Soviet Union
Nationality	British India
Occupation	Revolutionary

Abaninath was inhabitant of Khulna, born in Jabbalpur, Madhyapradesh.Abani Mukherji's father was Trailokyanath Mukherji. After leaving school, he moved to Ahmedabad, where he trained as a weaver, and in 1910 he was employed as an assistant weaving master at the Bangla Laxmi Cotton Mills. In 1912, he was sent to Japan and Germany to study weaving. In Germany, he encounteredsocialism. After returning to Calcutta in December of the same year, he was employed at another cotton mill, Andrew Yule Mill. Renowned Revolutionary. He was preparing to organise revolution from outside. He was a front ranking leader. He obtained  Ph.D. degree from Moscow University. While he was a student, he was influenced by Ganesh Deoskar and Bipin Pal..He got assistance from Raja Mahendrapratap and Surendrs Kar. He got acquainted with Rasbehari Basu and Bagha Jatin in 1914.He was sent to Japan to assist Baghjatin to procure arms in 1915. While returning home after meeting the Japanese consulate, he was arrested by the police at Penang with all the documents and were sentenced to death. In 1917 at the time bathing in the sea with the prisners of Japan he fled away.The exact details of his escape are unclear. Mukherji managed to reach Java in the Dutch East Indies, where he stayed until the end of 1919, living under the name of Dar Shaheer. In Java, he was in contact with Indonesian and Dutch revolutionaries and became a communist. He also travelled to Amsterdam and back. In Amsterdam, he met S.J. Rutgers, who recommended him as a delegate to the Second Congress of the Communist International. In germany he met with Bhupendranath Dutta, Biren Chatterjee, and Kshitish Prasad nad were trying for an armed revolution from outside. he along with others formed Communist Party of India at Taskhand in 1920. 

In 1920, Mukherji travelled to Russia to take part in the Second Congress of the Communist International. There he met M.N. Roy, and with Roy and Roy's wife Evelyn he drafted a document which was published in Glasgow Socialist on June 24, 1920, under the title The Indian Communist Manifesto. Like Mukherji, Roy had been an Anushilan member during his early political life.

Mukherji took part as a delegate in the Second Congress of the Communist International, held in Petrograd between July 19 and August 7, 1920. In the Russian language notes of the Congress, he is listed as a 'left-socialist', without a party affiliation being stated. At the Congress, Mukherji met Vladimir Lenin for the first time. Directly after the Congress, Mukherji travelled to Baku in Soviet Azerbaijan to represent India at the Congress of the Peoples of the East.

The Communist Party of India was founded in Tashkent on October 17, 1920, two months after the end of the Second Congress of theCommunist International. The principal movers in the founding of the party were Roy and Mukherji. After the founding of CPI, Roy returned to Moscow whilst Mukherji was put in charge of the Indian Military School, with the task of training armed forces to fight British colonialism. The same year, Mukherji became a member of the Russian Communist Party (Bolsheviks).

The following year, 1921, Mukherji went to Moscow to attend the Third Congress of the Communist International as a delegate with a consultative vote. There he also took part in a meeting of Indian revolutionaries.

Also in 1921 Mukherji drafted a document on the Malabar uprising, which he sent to Lenin. In 1922, Roy and Mukherji together wrote the book India in Transition, a Marxist analysis of the Indian Rebellion of 1857 which the Communist International published in four languages in 1922. The book argued that the 1857 rebellion had failed to rid India of feudalism. Roy had assigned to Mukherji the task of gathering statistical data for the book

 In December 1922 Mukherji returned from Moscow to India clandestinely, via Berlin. He privately met local communist leaders on his way. Once in India, he was sheltered by the Anushilan Samiti in Dacca. After meeting S.A. Dange at the Gaya session of the Indian National Congress in December 1922, and after meeting Bengal communist groups, Mukherji moved to Madras, where he met Singaravelu Chettiar. Mukherji helped Chettiar with his efforts to form the Labour Kisan Party of Hindustan and to draw up its manifesto. Mukherji later returned to the Soviet Union he discussed secretly with the foreign Minister of Russia about the revolution of India and came to India. he met with the revolutionaries. He also married a Russian lady.

Roy and Mukherji did however part ways and became bitter enemies. Mukherji learnt that during his travel to India, Roy had sent a circular to the Indian communist groups denouncing him and claiming that he did not represent the Communist International. By the mid-1920s the break between them was completeIn 1920, while in Russia, Mukherji met Rosa Fitingov, who was then an assistant to Lenin's private secretary, Lydia Fotieva. Of Russian-Jewish origins, Rosa Fitingov had joined the Communist Party in 1918. They married and had a son called Goga. Rosa was later one of the founding members of the CPI and acted as M.N. Roy's interpreter..

Mukherji took an uncompromising attitude towards cooperation with nationalist sectors. In 1928, he described the Workers and Peasants Party as 'the party that is accumulating by itself the elements of future Indian Fascism, published in Communist Review, May 1922

His important publication is "Economic situation in India and British Policy".and with Manabendra Nath Roy he wrote, "India In Transition."