orologio en CB01 OFFICIAL. Ponnar Shankar is based on historical novel written by Kalangir M. Karunanidhi. Story is about the two warriors, both are brothers named Ponner and Sankar living in Kongu Nadu (present day Coimbatore, Erode etc..). This is a historical movie and these two warriors are even worshipped today at most of the above mentioned part of Tamil Nadu.