Bhopal, April 28: Karnataka overcame Bihar 5-4 in the final of the 8th Hockey India Junior Men National Championship (B Division), while Coorg defeated Andhra 4-3 in the 3rd/4th classification match here on Sunday. With the win, Karnataka earned promotion to the A Division. Karnataka took an early lead in the fifth minute through Pavan Madiwalar. But Bihar equalised three minutes later with a strike from Sachin Dungdung.