Rivers are Gift of Nature, All living beings having right to use that.It is mans geedy to stop river by building dam across the it. It his foolishness to deny sharing water. If the water is comming from karnataka tamil nadu produce Electricity from it return back to karnataka, cultivating food crops and supplying it to entire country. If we think to stop river the entire life chain get affected. First we want stop thinking "karnataka or Tamil Nadu". "Think Globally and act Locally". This will kill all disputes. More than all we want to stop nonsense Poltician.