He studied in various schools in Dhaka and Calcutta (now Kolkata), and finally, in 1905, he passed his Entrance Examination from Ravenshaw College, Cuttack.

(History) in 1909 and 1911, respectively, he won the Premchand Roychand scholarship for his research work in 1913, which led to his thesis: Andhra-Kushana Age.

[1] Majumdar started his teaching career as a lecturer at Government Teachers' Training College, Dhaka.

After extensive travels to Southeast Asia and research, he wrote detailed histories of Champa (1927), Suvarnadvipa (1938) and Kambuja Desa (1944).

Starting in 1951, he toiled for twenty-six long years to describe the history of the Indian people from the Vedic Period until the Independence of India in eleven volumes.

[citation needed] When the final volume of The History and Culture of the Indian People was published in 1977, he had turned eighty-eight.

[citation needed] The proposal to write on "Freedom movement" with government sponsorship was put forth in 1948 by R. C. Majumdar.

Majumdar was appointed by the Board as the Director and entrusted with the work of sifting and collecting materials and preparing the draft of the history.