Kyunki Saas Bhi Kabhi Bahu Thi

Gautam tells Damini that he invited her parents to meet his family members. Karan is stabbed as he escapes from the house. He manages to flee but falls in front of Priyanka's car. She takes him to the hospital. Meanwhile, Mihir finds that Karan is in Mumbai and is worried. Who stabbed Karan?