Whenever Prerna stay in her comfortable zone, she does not take any attempt going back to Anurag.
Even though, Prerna got married Mr Bajaj to protect Anurag, Mr Bajaj accepted her with Anurag's child, facilitate her, defend her, protect her from outrages come from Basu families, and respect her as wife and also Kuki's mother. The story line gives high values for these stuffs and make viewers believed that Prerna is also added value for above immaterial thing. No. I don't think.
Even after Mr Bajaj breached his promises by harming Anurag, she found a great opportunity to get rid of this marriage. However, she still stay as Mrs Bajaj because of she does not like to break the promises which are totally linked with Anurag's life. She is afraid of breaching promises will badly affect on Anurag's life and Mr Bajaj will take revenge from Anurag (She recalls how Mr Bajaj was going to ruin Anurag's life in prison-capital punishment).
That is why she said although you are not with me, in my life, your life is more precious than my life. She meant that "I don't want happiness, I don't want to enjoy the life, but if you live in front of me, safety of your life, your good health, these are enough to me being happy and for my satisfaction". That is how she loves Anurag. Prerna doesn't need Anurag being her own. But his life is more important to her. She suspects Mr Bajaj could find a way easily to harm Anurag and their family. I feel these are probable reason why she still engage with this deal marriage and not go back to Anurag.
This is a good and valuable lesson for most of lovers in our society. Most of them think the way if their fiance/fiancee did not belong to them further, then they should die. Then they either harm other party or committed suicide themselves. Prerna's sacrifice and her thoughts about her fiance are food for thoughts to younger generation in our society.
One day, Mr Bajaj will realize that what he has done for life of two lovers and will release Prerna from the deal marriage. But it will be too late, because her bond with Kuki has become more strong day by day. Prerna will be unable to abandon her bond with Kuki. Prerna use to finds her happiness, her satisfaction through the Kuki. The bond with Kuki will be diluted some time after her delivery as she will be busy with her own child. However, she will fulfill the responsibilities of KUKI.
If it is not, Prerna will go back to Anurag. The question comes on my mind what will be the behavior of Basu members, especially Mohini? Mohini's behavior is same as earlier and never change from Prerna 's child hood to up to the date.
However, Prerna has capabilities to adopt the situation, bear the hatred, and bear the offenses of Mohini . Because, her mother Veena has taught her good values of how to respect adults either they are in family or outsiders.
In other way, Anurag will stand behind the Prerna to protect from hatreds of Basu family and he will shower the love to make Prerna smiling. Nivi, Anupam, and Tapur will also support Prerna to bear the hatred of their mother. If it is not, Anurag will find new house and leave from Basu mansion with Prerna and child.
In some case, Mohini will change totally after knowing that Prerna deliver the baby girl or boy whose father is Anurag.
All are assumption based. The story line is totally depend on the writers and what they want to give viewers. They want satisfy both Anupre and Bajpre fans. Who care? Fans are care.