Edited sentence: According to George L.Hart, who holds the endowed Chair in Tamil Studies by University of California, Berkeley, has written that the legend of the Tamil Sangams or "literary assemblies: was based on the Tamil Jain sangham at Madurai:.It seems likely that this assembly was the model upon which tradition fabricated the cangkam legend.There was a permanent Jaina assembly called a Sangha established about 604 A.in Madurai