The same tamilians tried to blockade the essential food movement to kerala for the mullaperiyar water quoting some agreement during british time. they dont have any moral right to speak nowwhere were these tamilians who r speaking of the indian unity and other stuff then?tamil cannot do the same arm twisting techiques to karnataka as kannadigas are not dependent on foo trucks from tamilnadu for their survival like kerala.TN is always at loss as we saw in the past if this gets out of control.Thats why tamils are taking refuge in the moral talks of indian unity and kannada arrogance. They know very well that no.of tamilians working in karnataka is far more than the other way round and these tamils will get affected.Else these tamils would have jumped up and down and by now blocked the NH-7, the same way they blocked NH-47 to kerala and the rail service at coimbatore a few months back during mulla periyar issue