Yeh Rishta Kya Kehlata Hai: Kartik's father denies to be a part of puja during Teej celebration

In the Star Plus serial 'Yeh Rishta Kya Kehlata Hai', the festival of Teej is being celebrated with full enthusiasm. Here, the family is in festive mood but Seerat looks very tensed and unhappy. Why is Seerat upset? What will happen next? What will Kartik do now? How will Kartik and Seerat handle the situation now?