The deceased were a man aged about 40 years and his daughter aged about 15 years, police said, adding, their names are not yet known.
The deceased man's wife who was also riding with them was rushed to SMS hospital here, police said.
The three were coming to Jaipur from their village in Narsinghpura to attend a marriage function when the mishap occurred around 1300 hrs at Bhankrota, they said.