Story Dasavathaaram as the name it self indicates portrayes Kamalhasans 10 different characters starting from 12th century to the current modern civilization.Rangaraja Nambi a brahmin preist,a strong believer of Lord Vishnu in the 12th century stood firm against bad strategies of King Kulo thunga Chowla who ruled the country on that time.As a result of that Nambi got death punishment from chowla. Nambi tied along with the statue of the Lord Vishnu has been sent in to ocean. The next phase of the story begins in the modern civilization.Kamal is doing 9 different characters in the modern civilization,all with a connected story line.The historical story of Nambi and the statue of Lord Vishnu has a significant importance in this movie.
Kamal Haasan in ten roles as Rangaraja Nambi, Govind Somaya, Avtaar Singh, Balaram Naidu, Christian Fletcher, Shingen Narahashi, President George W.Bush, Vincent Babru Vahan, Krishnaveni Paati, Kalifulla Khan. Asin Thottumkal in dual roles as Kothai and Andal.