Ek Hazaaron Mein Meri Behna Hai

Beeji's family misses Jeevika and Maanvi on Diwali. Maanvi overhears Karan talking to someone on the phone about his successful entry into the Vadhera house. The family is glad to see Swamini bursting crackers with Karan. How does Karan create a rift in the family?