Burdwan: Fire broke out at a bank branch at Jaugram in Burdwan district damaging documents, furniture and computers.
Neighbours noticed flames engulfing the Bank of India branch in the early hours and informed the Fire Brigade.
Two fire tenders took about 90 minutes to douse the flames.
Firemen suspected short circuit to be the cause of the fire.
A bank official said the loss was yet to be estimated.