— Satyasri Ukil
Bina Dey was born on February 12, 1906 in the family of the Roys of Khanakul in Bengal. Her father Gagan Chandra Roy was an officer in the British-Indian police service. Bina spent her childhood in various districts of Bengal and Orissa where her father held his postings.
In accordance to the custom of the day Bina was given in marriage at the tender young age of eleven, to the Chattopadhyay family of village Maluti, which lies tucked away in a quiet undulating location on the border of Santhal Parganas and Birbhum.