At least 30 persons were feared dead on Wednesday when an overcrowded private bus plunged into the turbulent Beas river on the Kullu-Mandi national highway.
The bus was on its way to Ani from Kullu when it skidded off the road and rolled down into the river near Jhiri, 20km from Kullu.
Twelve bodies have been recovered while 15 persons were rescued and rushed to hospital, deputy commissioner, Kullu, Sharab Negi, said.
There were more than 50 persons on board the bus at the time of mishap, he said, adding the driver jumped off the vehicle before it plunged into the river.
Relief and rescue teams have reached the spot and efforts are being made to recover the bodies and pull the bus out of the river, the official said.
According to sources, more than two dozen persons are feared trapped in the submerged bus.
The bus which toppled up side down after the accident, completely submerged under water and only the tyres were visible, sources said.