Ramanathapuram (Tamil Nadu) Feb 23 (UNI) The Sri Lankan Navy arrested 32 Indian fishermen and seized five Indian mechanized fishing trawlers allegedly for poaching in its territorial waters on Saturday midnightFisheries department officials quoting preliminary reports said here on Sunday that the fishermen, hailing from Rameswaram were arrested by the Sri Lankan navy, when they were fishing on the high seas close to north of Mannar.