Arnav saw Sheetal again after several years and also found out she has a son called Aarav. He knows that he used to date her in college and lost touch after that. He also knows that Aarav is around 7-8 years old and that Sheetal is a single mother. Most importantly he knows that Aarav talks, walks, eats and behaves just like he does.
And yet Arnav isn't worried about the boy being his biological son - he doesn't even have the slightest doubt that the time he spent with Sheetal could have resulted her becoming pregnant and Aarav was born.
That my dear fellow members is the clue that Arnav has given us - Aarav is not and cannot be Arnav's son. If Arnav doesn't at all think that Aarav might be his son than for sure he isn't.
As I mentioned in my previous prediction this whole Aarav track will be played out between Khushi, Sheetal and Aarav only. When Arnav finds out what is going on he will put a stop to it by telling Khushi that he and Sheetal only dated and never slept together.
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