Sri Narayana Jayanthi is festival of the ezhava, billava and idiga communities of Kerala, Karanataka and Tamil Nadu. Its also called Chathayam Dinam in kerala. It marks the birthday of Narayana Guru, greatest Social reformer of India. It is celebrated in all over world by the above communities. Communal harmony processions, conferences, floral tributes, community prayers, feeding for the poor and community feasts marks jayanthi celebrations.