However, in their will, they declare that their daughters will inherit their wealth once  the twins turn 21. This results in Tribhuvan and Amba bringing Anju up as a coy and easily frightened girl, merely keeping her alive so she can sign off the property in their name.
The will's provision for daughters to inherit wealth upon reaching 21 years old motivates Tribhuvan and Amba to raise Anju as a fearful and submissive young girl, ultimately intending to have her sign over the property in their names.