Hariharan is an Indian playback singer who has sung for Hindi, Tamil, Malayalam, Kannada, Marathi, Bhojpuri and Telugu films, an established ghazal singer, and one of the pioneers of Indian fusion music. His melody is strongly appreciated by the film fraternity. In 2004, he was honoured with the Padma Shri by the Government of India and is a two time National Award winner. Hariharan, associating with Leslie Lewis, formed Colonial Cousins, a two-member band. They have cut many private music albums and also scored music for few feature films in Bollywood and Kollywood cinema.
Who among these should retire from Bollywood?