The sculptures pertaining to the period of c. 300 – 600 CE shows the introduction of new styles in the temple architecture. The inspiration for the themes for the sculpture was drawn from Hindu, Buddhist, and Jaina traditions.
According to the Chera poets, Senguttuvan was their greatest king. He is also known as the Red or Good Chera. He led many successful military expeditions. He has also been mentioned in the post-Sangam text, Silappadikaram.