Two cars collided head on near Dayalpura area in Jalore district leaving four persons dead and four injured, they said.
The deceased were identified as Nandlal Bhutda (70), his wife Shanti Devi (65), son Brijmohan (42), Anil (40) and his driver Madan (25).
Four injured are being treated in the hospital, police said.
In another incident, a mini bus rammed into a jewellery shop near Tripolia gate here, killing two persons and injuring one.
One of the deceased was identified as Subhash (55).