Four persons were in the jeep, travelling to a nearby place for the wedding reception. The driver decided to go for the shave and stopped the vehicle at the Bhairuji stand.
Then a truck hit the jeep, killing two persons, Dadiya SHO Ranveer Singh said.
One of the four was critically injured and was shifted to Jaipur.
The truck driver fled the spot.
A case has been registered against him, police said.