Three elephants fell into the canal at Dhansimla in Sonamukhi area and were stranded, Divisional Forest Officer Kunal Divel said.
With the help of the local people and forest department personnel, two of the three elephants managed to get out of the water but the third one drowned, Divel said.
The carcass was sent for postmortem, he said, adding that the other two have been taken away for treatment and they will be later released in the jungle.