Guwahati: Assam Chief Minister Sarbananda Sonowal on Tuesday launched the theme song of Namami Brahmaputra, the coming river festival, to showcase the tourism potential and development of Assam.

The theme song, both in Assamese and Hindi, has been composed by Assam's famous singer composer Angaraag Mahanta alias Papon. It was launched at a function held at Madhavdev International Auditorium in Guwahati.