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 deceased's will stipulates that their daughters inherit their wealth upon the twins reaching the age of 21.  As a result, Tribhuvan and Amba raise Anju as a timid and easily frightened girl, intending to have her sign over the property in their names.