Four masked miscreants laced with fire arms entered the Mihijam branch of Bank of Baroda and looted the cash, they said.
The miscreants allegedly assaulted the sweeper and the cashier, whom they followed and entered as soon as the bank was opened, police said adding that the miscreants also locked the two inside a room before they committed the crime.
The miscreants also damaged the CCTV camera and taken away its hard disk along with them, the sources said.
Jha said a massive raids are being conducted in all possible hide-outs to apprehend the culprits by two police teams headed by the Deputy Superintendent of Police ranked officers.