Ujiyarpur police station in-charge Madhurendra Kishore said the accident occurred when driver of the mini bus carrying the marriage party from Raipur village towards Bombiya village lost control over the vehicle and rolled into the roadside ditch on NH-28.
He said at least twelve persons were injured, one of them was seriously.
The critically injured has been referred to Darbhanga sadar hospital while others were admitted to Ujiyarpur primary hospital.