Jenny, I think he proposes NaiRan marriage because he thinks that Sharda will call off MeghNal wedding, too, hearing his demand 🤔 I got those vibes from today. So, he might propose the marriage before MeghNal's and Sharda fullfills the condition afterward?
As for Karan, no idea how he would agree. I don't think that anyone apart from NK will talk to him- I assume that NaiRan will meed seedha mandap mei, next time, lol! Dadu, I highly doubt because if Dadu reaches on time, he'd actually stop the NaiRan marriage - that would be the right thing to do. So, NK will do something (because, if Sharda, against his expectations, agrees, he'd have to save face)... blackmail... threaten (like, I'll throw you out, cut off financial support and forbid your mother from seeing you or something)...
But then, the promo suggests that NK was smug seeing Sharda come with Naina dressed up as a bride. Maybe he thinks this is a punishment, of sorts, getting Naina married to his "handicapped" son (okay, that actually sounds cruel, lol) - or something else. Her daughters are Sharda's pride, her strength. So, he wants to use Naina to hit Sharda where it hurts? 🤔
Pata nahi 😆 But am rather excited for a NK-Karan scene here! We have never actually seen these those really interact with each other - it will be an interesting watch 😆