Who is Gouri from Sister of My Heart and what is their importance?

Gouri is Anju's mother. She was the wife of Bijoy. Gouri is the one who took over the position of leader of the Chatterjee family after Bijoy and Gopal were killed. Before her husband left on the adventure trip, Gouri asked her husband how she should raise their child if he did not return. Bijoy requested the child be raised in the traditional Indian ways.