In 1919, her father was transferred to Calcutta, and she joined St. John's Diocesan School from where she completed her matriculation examination.

[5] Together with her nephew Satyajit Ray and her cousin Nalini Das, she edited and wrote for Sandesh throughout her active writing life.

[1] Her first published book was Boddi Nather Bari (1939) but her second compilation Din Dupere (1948) brought her considerable fame from the 1950s, her incomparable children's classics followed.

[1] Her autobiographical sketch Pak Dandi provides an insight into her childhood days in Shillong and also her early years at Santiniketan and with All India Radio.

[2] Apart from her glittering array of children's literature, she wrote a cookbook, novels for adults (Sreemoti, Cheena Lathan), and a biography of Rabindranath Tagore.

[8] For a special Mahila Mahal (women's section) series of All-India Radio, dealing with the "natural and ordinary problems" in the everyday life of a girl growing up in a typical, middle-class, Bengali family, she created Manimala, the story of a "very ordinary girl" whose grandmother starts writing to her from when she turns 12, continuing into her marriage and motherhood.

[9] In 1933 she married Dr. Sudhir Kumar Majumdar (1897-1984), a renowned dentist who was a graduate of the Harvard Dental School.

Daughter Kamala was married to Monishi Chatterjee, an oil engineer and grandson of the first female painter of the Bengal school, Sunayani Devi.