The security guard, who was killed in the incident that took place at 2 AM, has been identified as Kemla Prasad, Rewa Superintendent of Police Bhagwat Singh Chouhan told reporters.
The value of the stolen goods is being ascertained, Chouhan said, adding that other valuables include a gold lamp, three silver lamps, some pistols and ornamental fabrics used to adorn elephants on special occasions.
Further details are awaited.