She was married to Sudhir Kumar Mazumdar renowned dentist, in 1933. For two decades she devoted herself to housekeeping. Her son Ranjan and daughter Kamala were born in 1934 and 1938 respectively. Her husband died in 1984. Apart from her children, she had, at the time of her death, two grandsons, two granddaughters and three great-grandchildren.
An incomplete bibliography lists 125 books including a collection of short stories, five books under joint authorship, 9 translated books and 19 edited books can be attributed to her.
She joined the women’s section of Asutosh College in Calcutta but again did not continue for long. Thereafter, she spent most of her time as a writer. After two decades as a writer, she joined All India Radio as a producer and worked for about seven-eight years
She stood first in English (literature) both in her honours (graduation) and Master of Arts examination at the University of Calcutta.
The family she belonged to made a notable contribution towards children’s literature. Her uncle was Upendrakishore Ray Chaudhuri ,her cousin Sukumar Ray ,her nephew Satyajit Ray .