The deceased were on their way to Chadhna village from Bhawai village and the driver, who is among the dead, reportedly lost control over the vehicle while negotiating a sharp curve near Chevga village, village patwari Mohan lal, who immediately reached the spot, said.
All the four occupants were killed on the spot.
The deceased were identified as Surjan Singh, owner of the car and resident of Kuffar village, Kiran Thakur of Jablog village, Nisha of Kuhal-Devna village, and Vinita of Katapathar (Vikas Nagar) village in Uttrakhand.