The assailants stopped Sumer Singh's vehicle and attacked him with sharp-edged weapons late last night, leading to his death, they said.
Posted in Gujarat, Singh was on leave from 3-4 days, said investigating officer Hoshiyar Singh, adding that he was killed over old rivalry and the hunt was on to nab the accused.
The body has been kept at the government hospital in Sikar and further investigations were on, the officer said.