The incident occurred near Bigga village when the victims, all occupants of the jeep, were returning to Gusainsar after attending a function in Ketasar village, SHO Sridoongargarh police station Niket Kumar Pareek said.
The deceased were identified as Mohini Devi (50), Purkha Ram (60), Gayatri (12), Patram (22), Haruram (30), Kanaram (30) and Amra Ram (40).
He said 8 injured were admitted in a local hospital in the town while six critically injured were admitted to PBM government hospital in Bikaner city.