The jeep was en route to the Dadeldhura district headquarters from Manilek.
The deceased have been identified as the jeep driver Sher Bahadur Bhul and Chhabilal Awasthi and Khadga Awasthi who were travelling in the vehicle.
Police said four people were on board the jeep including the driver. Ganesh Awasthi, who sustained serious injuries in the accident, has been sent to the Kohalpur Medical College in Nepalgunj after general treatment in Dadeldhura. RSS