The Bharathanatyam is a classical dance form originated in India. It lays emphasis on bhava, tala and raga. The dancers express through their eyes and other facial expressions. Hand movements are an integral part of the performance. It starts with prayers to Lord Ganesha and Lord Natraja. The dancers wear colourful silk costumes comprising of a 'dhoti' or a kind of pyjamas and a blouse. They wear beautiful ornaments.