Aru. Ramanathan writes in Tamil on Hindu puranic subjects and folk culture. He is the author of விநாயகர் புராணம் (Vinayagar Puranam), a Tamil rendering of the Ganesha Purana published by Prema Pirasuram, and of நாட்டுப்புறப் பாடல் களஞ்சியம் (Naatupura Padal Kalanjiyam), a ten-volume anthology of Tamil folk songs published by Meiyappan Publishing House, Chennai.