Yaathisai: Directed by Dharani Rajendran. With Subatra Robert, Guru Somasundaram, Semmalar Annam, Subathra. A periodical fiction based on the 7th-century Pandiyan prince Ranadheeran who ruled during a time when the Chola dynasty lost its power and its people were forced to live in the woods. Find out how and where to watch "Yaathisai" online on Netflix, Prime Video, and Hotstar today – including 4K and free options. Yaathisai ( Tamil ) A periodical fiction based on the 7th-century Pandiyan prince Ranadheeran who ruled during a time when the Chola dynasty lost its power and its people were forced to live in the woods. When Arikesari partially retires, his son Ranadheera Pandiya takes charge of the army. Meanwhile, the Cheras ask help from Cholas to stand against Pandiyas and a plan to kill Ranadheera Pandiyan was executed. Will the plan be successful?