Mohana Silai is a Tamil language historical novel written by Sandilyan. It was first published as chapters in the Tamil weekly magazine Kungumam in 1981. The historical background is set at the time of Vijayalaya's establishment of the Imperial Cholas reign by capturing Vanchi and Tanjore. In the novel, along with Vijayalaya, other historical characters like Adithya, Sthanuravi (a Chera king), Vanasastri (astronomer) Sankaranarayanan and Perumpidugu Mutharayar and fictional characters like Idhayakumaran, Achuthaperaiyar, Ilayavel, Kannazhagi and Devi are present.