Who was the first king of the Koch dynasty?
B. Pran Narayan
D. Biswa Singha
Answer: Biswa Singha
Explanation: Biswa Singha was the first king of the Koch dynasty. Under his sons Nara Narayan and Chilarai the dynasty reached its zenith. The dynasty forked for the first time into two major branches that controlled Koch Bihar and Koch Hajo.