Need help find manan ff

Hi,

Has anybody read a story where i think navya is manik's sister and she does something evil to nandini a d she loses her baby. After everybody came to know the truth sth happens and navya gets pregnant and nandini asks her for her baby. Navya unwillingly agrees . Nandini will take care of her and everbody will forget her demand and when navya gives birth to baby, nandini will ask her for the baby.everybody gets shocked. So forth.

Can anybody help me in findin the story.

Thank u in advance