The mishap occurred when the vehicle, on its way to Kishtwar from Thathri area of Doda district, skidded off the road and fell into a deep gorge at Phagumar on the highway yesterday late evening.
Police and other rescue teams rushed the victims to a district hospital where they were declared brought dead.
The deceased have been identified as Mohammad Iqbal Sheikh (40) and his son Atif Hussain (7).
Senior Congress leader Inderwal G M Saroori has expressed grief over the accident and demanded immediate ex-gratia relief of Rs. 1 lakh each to the next of kins of the deceased.