It has shot Taiwan fishermen in the past.
After the ban, orcas were still occasionally shot by fishermen who saw whales as competition for fish.
Massimiliano Latorre and Salvatore Girone are charged with shooting the fishermen off the Kerala coast in February 2012.
The Philippine coast guard shot dead fisherman Hung Shih-cheng, 65, on 9 May in disputed waters.
It was a reference to an ongoing diplomatic feud between Italy and India, in which Italy has argued that it should have jurisdiction over a shooting case involving two Italian marines who accidentally shot two Indian fishermen in international waters.
He said some accidents had occurred, most involving bow fishermen shooting other bow fishermen.
Indian officials say the marines shot at the fishermen near the coast of Kerala State after mistaking them for pirates.
The Italians, who were part of an antipiracy military security team, are accused of fatally shooting two Indian fishermen who they believed were pirates in February 2012.
When soldiers shot dead nine fishermen suspected of stealing cows, the investigating judge told Human Rights Watch she had not taken any action on the case.
India is very sensitive about the presence of armed security guards on merchant ships after Italian marines shot dead two fishermen last year.
