Who was the last king of the Ahom kingdom of Assam?

The correct answer is Purandar Singha . Key Points Purandar Singha was the last recognized king of the Ahom kingdom, which ruled Assam for nearly 600 years. His reign was marked by the decline of Ahom power and increasing British influence in the region. Although he attempted to revive the kingdom's glory, the political instability and external pressures ultimately led to the annexation of Assam by the British in 1826 after the Treaty of Yandaboo, marking the end of the Ahom dynasty.