Kushi and Tammanna and their bonds keeps reminding the audience of the bond thier mothers shared in few flash back glimses. Today the protagonist even verbalised Khusi to be a mirror of Sadhana, Khusi truely seem to be her mothers soul and superb acting by the kid. However, I wonder if Tammy would be like Ragini. She may be of the nayi soch in the same rishta of to cousins.