Karan knows his relation with Rajveer but he is helpless and he can't reveal the truth. Nidhi is trying her best to throw Preeta out of the house and keep her and Rajveer away from Karan.
Previously, Preeta and Karan got married but could never live their dream of a happy married life due to multiple enemies. Preeta had to later live with Rishabh but things didn’t go her way there either.
As per the ongoing story, Karan donates his blood to his son Rajveer and saves his life, along with this he also fights with the goons to save his life.