The Cauvery originates in Karnataka, from where it has been flowing ever since the river started. To claim water saying it has been flowing for centuries in TN gives a wrong picture. Karnataka has the first right, since the holy river starts from Coorg.
Please understand that the antics of the DMK leaders is not conducive to good neighbourly relations. The blockade of Kerala on the Mullaperiyar issue in November and the drama of Jayalalitha ( who is from Mysore ) is unworthy of the great people the tamils are.
Good relations are MOST important. Let us foster a share and live attitude.