cholans never had title thevar 

Thevar is a backward caste in India.  Raja raja chola never had title thevar. His real name is Arunmozhi varman.

http://books.google.com/books?id=T5J6GKvGbmMC&pg;=PA44&dq;=raja+raja+cholan&hl;=en#v=onepage&q;=apogee%20&f;=false

Encyclopedia of architectural and engineering feats By Donald Langmead, Christine GarnautTake our survey New!  page 44

please dont promote any caste