Generation 1 -
Akshara and Naitik (Successful Arrange Marriage)
Rashmi (Single-Parenting, Divorcee, Unsuccessful Arrrange Marriage)
Mohit and Nandani (Love Marriage, special-needs, Female older than male)
Varsha and Shauray (Love Marriage, Marital affair)
Akshara Father-in-law (Re-marriage)
Anshu-Jasmeet (Intercast-Marriage)
Generation 2 -
Naira and Kartik (Successful Love Marriage)
Kartik and Sirat (Second Marriage of Male Lead and chance at love)
Kirti and Naksh (Second-Marriage of Female)
Kirti 1st Marriage (Domestic Violence)
Generation 3 -
Akshara and Abhimanyu (Unsuccessful Love Marriage)
Akshara and Abhinav (Second Marriage of Female Lead and chance at love)
Arohi and Neil (Window, No re-marriage)
Manjari-Harsh (Domestic Violence)
You can add more to the list and I’ll edit it from time to time 😊 I’ve edited a few after reading comments.
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