Tamil , Telugu , Malayalam and Kannada films, he has scored music for Hindi (or Bollywood ) film productions such as Sadma (1983), Mahadev (1989), Lajja (2001) and Cheeni Kum (2007). He has worked with Indian poets and lyricists such as Gulzar , Kannadasan , Vairamuthu and T.S. Rangarajan (Vaali), [