The accident happened last night when the two were on their way to Bawal for some work when a car was going towards Tihara village, near Bawal, police added.
Deceased were identified as Rampal (59), a retired 'Patwari' and and his son Yogesh Kumar (34), both residents of Tihara village here, police said here.
The car driver sped away from the scene after the accident, police said.