Hi Naaz, this is really a tricky issue. There is a possibility that your mom-n-law is orthodox in her thinking, which is why she doesn't like your relationship with your father-in-law.
Worse is the fact that she chides your daughter too. It would be a good idea to speak to her openly about it so there is no misunderstanding between the two of you.
Involve your husband in the discussion too. There is a good chance he will be able to talk his mom out of her insecurities.
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