Campaigning for the BJP in Tamil Nadu is basically the ploughing of a lonely furrow. And yet, Union Home Minister Rajnath Singh has hit the campaign trail in the State after nine public meetings in Kerala, in the hope that every little thing counts. “Sahodarar, Sahodarikal, vanakkam! (brothers and sisters, greetings)” says the former Chief Minister of U.P. to the crowd in Thiruvadanai.