Tirunelveli (Tamil Nadu) [India], April 12 (ANI): Congress leader Rahul Gandhi said that there is an “ideological battle” taking place in the country between Periyar’s ideas of social justice and equality; and that of Prime Minister Narendra Modi and RSS of “one nation, one leader, one language”. He further said that the Centre doesn’t provide any assistance to Tamil Nadu when it demands flood relief or assistance for fishermen. Addressing a public rally in Tirunelveli, Rahul Gandhi said, “Today, there is an ideological battle taking place in India. On one side, there are the ideas of Periyar,…