Regarding Mona, I think she is going overboard to prove herself great to ambaji. She needs to get back to her true self and personality. Mona is always a person who likes to but in to people's business but she always does it in a positive way. By this I mean she always expresses her true opinion regardless of who is affected. In this case she should have let ambaji knows that her husband's feelings is what matters because if there is no husband then there will be no amba. simple as that. Mona should be more frank and fair and they maybe ambaji will wake up from her slumber and realise that the real world is not the one she is living in.
Mona needs to defend her husband infront of her parents- yes but not to go overboard to do so. Ambaji going to present a car to Hetal that the Bedi's know is Anu and Mona's is very cheap. She and hetal should have realised that by doing so would make them loose respect rather than gain it.
Ambaji should have known her daughter better than anyone else. She should know when hetal is lying or when she is telling the truth. Mona;s parents know her to a tea and they know that she is lying although she is defending her husband.
satnam/gurnam/karan part was so touching. I had tears in my eyes. I did not expect gurnam to react in such a way. Someone has to be sensible enough to figure out what is the problem and where it is coming from. for years this family has been living together happily. If all of them fight with each other, then who will sort out the matter. Hetal need to be expose very soon