[1] Born into a progressive landlord family in Siliguri in 1918, he became a Communist during the Indian Independence Movement, and later formed the militant Naxalite cause.
His writings, particularly the Historic Eight Documents, have become part of the ideology of a number of Communism-aligned political parties in India.
[6] Having graduated from his ‘Matric’ exam in 1937 with a First Division, Mazumdar took admission to Edward College in Pabna district (present day Bangladesh).
[2] In 1946, he joined the Tebhaga movement in the Jalpaiguri region and embarked on a proletariat militant struggle in North Bengal.
During the mid-1960s Mazumdar organized a leftist faction in Communist Party of India (Marxist) (CPI(M)) in northern Bengal.
[13] The Communist Party of India (Marxist-Leninist) Liberation observes Martyrs' Day on the anniversary of Mazumdar's death.