How much does Arjun know arohi?

The conversation between Arjun n his mom abt way arohi reacts is amazing but i have a doubt that how can he judge arohi as the victim of rashi miscarriage wen he knows wat she will n how she is n also he says to his mom no one in this world know arohi more than him wat do u say guys

its coz of rudr who had poisoned arjun's mind.............

arjun knows arohi very well,,and the miscarriage u r talking about ,,,I think arjun is not blaming arohi of pushing rashi but blaming her of not taking care of rashi when rashi was speaking to her ,,,and as far as the revenge is concerned arjun wants to take revenge from the whole ahluwalias and he knows that if arohi is sad and hurt ,,the family will be hurt ,,,so he wants make arohi suffer as a result of which the whole family will,,,,

this is my take on ur post,,,,

and how much arjun knows arohi is if arjun didnot know arohi then he wouldnot have left the family and come to arohi to manao her ,,,at that time too arjun knew that arohi still loves him,,,,

but arohi does not understand arjun