Karthik is an Indian Playback singer and Composer. Karthik started his professional singing career as a backing vocalist and has since been working as a playback singer. He has sung more than 1000 songs in 10 Indian languages including Tamil, Telugu, Malayalam, Kannada, Odia, Bengali, Marathi and Hindi.

Saarang is the annual social and cultural festival of IIT Madras. It is a 5-day long festival usually in the second week of the year. Founded in 1974, Saarang is the second oldest college festival in India. It was started in the name of 'Mardi Gras' with a small number of quizzes and music events. It adopted the name 'Saarang' and grew with the help of corporate sponsorship, collaboration with large-scale event organizers and international artists.