The body was found near Shilpgram area and the deceased was identified as Michael James, ASI Ram Singh Chundawat told PTI.
"The man had stayed at a hotel for a day on July 28 and we have recovered a bill of a mobile phone that he purchased on the same day," he said.
Prima facie, there are no injury marks on the body.
"Whether it is a road accident case or if he died of some ailment is a matter of investigation," police said.
The body has been kept in a mortuary and post-mortem will be conducted when family members reach Udaipur, they said.