I think they already know abhir is abhimanyu's kid. That's why they are so nervous about akshu's decision to visit her family. Otherwise why will they care? Akshu has moved on and is married to another guy. I don't think they really think akshu can have ema with abhimanyu. Because however illogical and stupid manjari and arohi are, they can't have such low opinion about akshu. No one could actually even her biggest enemy arohi won't think so low about her. So I think they know but are hiding this from abhimanyu so that abrohi could happen so that ruhi remains happy.
But this is just a theory. Because this much anxiety from manjari and arohi is looking very unreasonable, simply because she is coming to udaipur with her family for 3 days. Why are they so worried?
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