Chettair is a common surname used by the South Indian mercantile class. This business group resides in Andhra Pradesh, Tamil Nadu, Karnataka and Kerala. Chettair grooms belong to various castes like Nagarathar, Senaithalaivar, Vaniya Chettiar, Padmashali and Pattariyar. Chettair community wedding celebrations is a rich and grand event. An interesting rite for the Tamil Chettair groom's is 'Azhagu Aarti'. Groom's paternal grandmother puts yagna ash on forehead before leaving for bride's house.