உள்ளடக்கம் நீக்கப்பட்டது உள்ளடக்கம் சேர்க்கப்பட்டது
| url = http://books.google.com/books?id=Bge-0XX6ip8C&pg=PA508&dq=kallanai&sig=_bvXlOQqAftum2T7p_6McQJHgUk#PPA508,M1
| isbn = 81-7764-548-X
| page = 508}}</ref>
| page = 508}}</ref> and is considered one of the oldest water-diversion or water-regulator structures in the world, which is still in use. It still stands as a symbol of Dravidian Engineering.<ref name="kallanai_oldest">{{cite web
| url = http://www.hindunet.org/saraswati/traditionwater.pdf
| title = ''This is the oldest stone water-diversion or water-regulator structure in the world''
| accessdate = 2007-05-27 |archiveurl = http://web.archive.org/web/20070206130842/http://www.hindunet.org/saraswati/traditionwater.pdf <!-- Bot retrieved archive --> |archivedate = 2007-02-06}}</ref><ref>[http://www.britannica.com/eb/article-9021884/Cauvery-River Cauvery River - Britannica Online Encyclopedia<!-- Bot generated title -->]</ref>
#[[ஆதித்த கரிகாலன்]] - ராஜராஜச் சோழனின் தமையன்.
