Age could have restricted his bodily movements, but his spirit and talent is still undaunted in search for new ventures. It was his maiden effort that Bodo folk dance 'Kherai' was performed on stage for the first time during 1955. 'Kherai' dance had never been performed on stage till then. He was also the first music director of Bodo modern song broadcast through All India Radio Guwahati in 1977. Sisir Suni will always be cherised as the founder of Bodo musical notation in Assam. He was the person involved with the book "Gwthang Denkhw" published in 1994. He also composed notation on Kamrupi Lokageet in a book "Sodomsri" published from Barama in 1995. Suni composed more than hundred songs which have already been published in books mely- 'Jaydhwani', 'Palas Phular Botarote','Denkwo Bidang','Gwdan Denkhwani Methai', 'Swrang Lama', 'Bodo Bhajan' etc. He composed Assamese Notation of modern songs, Jyoti Sangeet, Rabha Sangeet, Bhupendra Sangeet, Kamrupi folk songs, Bihu songs etc and also have trained many students in his lifetime.