The government had directed the Marine Enforcement and Coast Guard to strictly enforce the trawl ban
The Fisheries department has instructed all boats operating from other states to leave the coast or to anchor them in their respective ports.
The department has also opened a 24-hour control room times of emergency for fishermen.
The ban, intended to enhance marine fish stock and improve their habitat, will be in force till July 31.
A decision in this regard was taken at a meeting of top officials of the Fisheries department and representatives of various fishermen outfits held earlier this month.