When everyone is trying to defeat Karan but she is trying to won over his evilness. she is trying to show him he need to overcome against his evilness.
In monday episode she tried to make him understand that his mom will never happy with his such behavior & in precap also she was trying to show him his good qualities. Hats off to Sadhana for her goodness & purity.
Thanks Rajanji for creating such a wonderful character.