What is ponniyin selvan nandhini story?

Ponniyin Selvan is a Tamil historical novel written by Kalki Krishnamurthy. The novel tells the story of the Chola dynasty and its political intrigue during the 10th century. The main character of the novel is Arulmozhivarman, also known as Ponniyin Selvan, the prince of the Chola dynasty. The story revolves around his love for Nandini, a beautiful and mysterious woman who is at the center of the political turmoil in the kingdom. Nandini is described as a femme fatale who manipulates the politics and the people around her. The novel is known for its complex plot, historical accuracy, vivid descriptions, and character development. Nandini's character is controversial and has been widely criticized for her dark and manipulative nature.