Birendra Krishna Bhadra was born on 4 August 1905, to Roy Bahadur Kalikrishna and Sarala Bala Devi at a rented house in Ahiritola his maternal home, in north Calcutta (now Kolkata). Later the family moved to 7, Ramdhan Mitra Lane, the house bought by his grandmother Yogo Maya Devi. His father, Kali Krishna Bhadra was a linguist, fluent in 14 languages, and employed as an interpreter in a lower court and later became a known figure in the Bengali literary circles of the time.
Birendra Krishna Bhadra was born on August 4, 1905, to Roy Bahadur Kalikrishna and Sarala Bala Devi at their ancestral home in Ahiritola, north Calcutta (now Kolkata). The family later settled at 7, Ramdhan Mitra Lane, a house owned by his maternal grandmother Yogo Maya Devi. His father, Kali Krishna Bhadra, was a polyglot who spoke 14 languages and worked as an interpreter in a lower court before becoming prominent in Bengali literary circles.