Omari Alilov, head of the logistics department of the Makhachkala branch of the North Caucasus Railroad, was hospitalized with serious injuries after his car exploded near the railway station in the capital, Makhachkala.
According to the railroad's press service, the official lost both legs in the blast.
Doctors at the Republican Traumatological Center said Alilov is in serious condition and is undergoing emergency surgery.
A group of investigators is working at the site of the blast, which also killed the driver of Alilov's car and injured the driver of another car near the explosion.
Daghestan borders Chechnya in the west, and the oil-rich Caspian Sea in the east. A 2.7-million predominantly Muslim patchwork of at least 30 different ethnic groups and languages, it has been seen by many as the softest target for terrorist recruiters and ideologues.
