Who is Anjuli "Anju" Chatterjee from Sister of My Heart and what is their importance?

Anju is the daughter of Gouri and Bijoy Chatterjee. She is married to Sunil Majumdar in an arranged marriage. The two live in America where Sunil works for a computer company. Anju is allowed to go to college and study literature. She miscarries their first baby, Prem.