TIRUNELVELI, Aug. 2:Kalyankumar (22), a college student, who was washed away in the heavy current stream near the Shengagadevi falls in Courtallam on July 28 was found trapped in water cave covered by boulders and rescued after three full days in chest-deep water. Kalyankumar had gone to the falls with a group of his friends when he slipped and fell into the stream and was washed away in the heavy current.