An ex-gratia of Rs 4 lakh each for the next of kin of those killed has been announced by Chief Minister Nitish Kumar.
Superintendent of Police Rakesh Kumar said, the autorickshaw collided with a bus coming from the opposite direction at Purani Bazar.
While nine occupants of the three-wheeler died on the spot, a bus passenger succumbed to his wounds in Sadar hospital, he said.
The injured were undergoing treatment at various hospitals, he said.
Mr Kumar directed the district administration to ensure free treatment of the injured and asked senior officials to rush to the spot to supervise rescue work, an official spokesperson said in a release.
(This story has not been edited by NDTV staff and is auto-generated from a syndicated feed.)