Tamil Nadu is becoming the second state after Karnataka where the BJP is hoping for a breakthrough in the south. The battle is for 39 seats, in which the BJP is banking on Prime Minister Narendra Modi to make a dent in the Dravidian politics that has dominated the state for decades. Over the last months, PM Modi has been on a major push, advocating Tamil history and culture from various forums, besides holding multiple rallies in the state and its capital Chennai.