Fisheries officials said around 26,000 artificial reef units will be placed at 145 locations across 29 coastal villages, including Rameswaram, Thangachimadam and Mandapam, over the next two months.
The accused, Dharma Muneeswaran alias Maaveeran of Sayalkudi in Ramanathapuram district, was traced using CCTV footage and arrested on Wednesday night, police said.