A Big Hurdle - S1.E10

Barkha feels the time is not right for him to get married as the situation with her family is stressful. She decides to call off the wedding and tells the same to Ishaan. Meanwhile, the police arrive at Pallavi's house and inform her about the arrest of her son, Gagan. She is shocked and feels numb the moment she hears this. What is the reason behind the arrest? Is Gagan innocent?