Kyunki Saas Bhi Kabhi Bahu Thi

After Mohini instigates Savita against Nandini, she overhears Karan talking about a deal and offers to handle it for him. Later, Karan takes Nandini to the hospital and the doctor suggests that Nandini should not be given any stress. How will Karan tell Nandini about his marriage to Tanya?