Kyunki Saas Bhi Kabhi Bahu Thi

While Savita talks to Mihir about Tulsi, Mandira threatens Tulsi that she will kill Gautam, if she refuses to return Shantiniketan to her and move as per her plan. She also tells her about her marriage with Mr. Gujral. What will Tulsi do to save Shantiniketan and Gautam's life?