There A LOT more ways then you suggested t help the story move forward!
But I have come to the conclusion that the Raizadas have selective memory, and only choose to believe and recall things when it is convenient for them!
1. Everyone knows Khushi had a finance named Shyam who was a lawyer!
2.Everyone knows Khushi was unhappy with the engagement and was upset and clearly told Anjali that the finance "screwed their family over"
those are some more examples...
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