I know why dadi thought of khushi being maid

or maybe they did love each other but ASR's dadi didn't let them get married and he became really depressed and forced into marriage but then his mom  found out that her husband still loved khushi's mom altho' she's moved on and finally killed herself. 

Bottom line is maybe on subconscious level khushi reminded dadi of her mom who was a worker in their house and hence the misunderstanding..

what do you guys think?? pls comment..:))

well, i don't think that they are look alike to an extent they get instantly recognized but more like on a subconscious level there's a certain familiarity is what i mean..ofcourse its just a speculation..when u like someone you like someone irrespective but when you're like dadi, you probably don't have a reason but instantly dislikes someone and maybe in some way she reminded her of the 'other woman'...again like i said..this is all just my thinking..:))