Kalingarayan canal in erode district of tamilnadu will be 725 years old. hindu had an amazing small writeup on this.

but the sad part is that in name of development, indiscriminate at that, this canal has been polluted and soon might be a dead canal.

just like the kuzhikandan creek which has been slammed by pollution, kalingarayan canal is also under huge assault.

if you want to see the 'colors of development' you can see either canals as you are sure to see blue, yellow, red, etc - toxic col
(effulents being let into Kalingarayan canal. picture copyright hindu)