it was such an important scene and Rudra's reaction was very crucial since till now only regarding Rashi's issue he is shown to be sensitive. Him not being there i guess was vecause there was nothing for him to do as per that scene. Nah i dont doubt on Rashi being Rudra's daughter. She must have taken after Dadi😃
That whole scene u know is so incomplete. Till now we have no idea how come and when Arjun and Dadi came to know of Raj and why they hid it for so long. I hope we get the explanations in the future epis.