Invocation to Goddess or LadyTamil (Tamil: தமிழ்த் தாய் வாழ்த்து, Tamiḻ Tāy Vālttu) is the State song of the Government of Tamil Nadu. The song was written by Manonmaniam Sundaram Pillai and its music was composed by M.S.Viswanathan. Generally official functions of the Government of Tamil Nadu start with this song and end with the Indian National Anthem. The song is sung daily in schools all over Tamil Nadu during the assembly at morning.