Kyunki Saas Bhi Kabhi Bahu Thi

While Savita gets angry with Tulsi, Kesar reveals the truth about Raj. Raj was in love with Kesar but since she married Anupam, he tried to instigate her against Anupam. Later, Raj took her to Dehradun and raped her. Now he wants to take revenge on Tulsi. Why?