Sudingphaa also, Chandrakanta Singha, was a Tungkhungia king of the Ahom dynasty, who ruled at the climactic of the Ahom kingdom. His reign witnessed the invasion of Burmese on Assam and its subsequent occupation by British East India Company. He was installed as King twice. His first reign ended when Ruchinath Burhagohain deposed him and installed Purandar Singha in his stead. His second reign ended with his defeat at the hands of the invading Burmese army. He continued his militant efforts to regain his kingdom as well as to keep Purandar Singha at bay. Finally he submitted himself to Burmese who induced him to believe that they will make him king. Instead he was seized and placed in confinement at Rangpur. After the defeat of Burmese in the First Anglo-Burmese War and subsequent peace Treaty of Yandabo on 24 February 1826 CE, Assam passed into the hand of British. Most of the members of Ahom Royal family were granted pensions. Chandrakanta Singha received a pension of 500 rupees. He first lived in Kaliabor and later on at Guwahati. He visited Calcutta in order to request the restoration of his kingdom but in vain. He died in 1839 CE soon after his return to Guwahati.

The Ahom dynasty (1228–1826) ruled the Ahom Kingdom in present-day Assam, India for nearly 598 years. The dynasty was established by Sukaphaa, a Shan prince of Mong Mao who came to Assam after crossing the Patkai mountains. The rule of this dynasty ended with the Burmese invasion of Assam and the subsequent annexation by the British East India Company following the Treaty of Yandabo in 1826.