Why is the Sundarban Hilsa Festival celebrated? To celebrate the famous Hilsa fish. Hilsa is considered the “Queen of Fishes” in Bengal. During the festival, visitors have the opportunity to taste several traditional Hilsa dishes, such as Shorshe Ilish (Hilsa cooked in mustard gravy) Bhapa Ilish (Steamed Hilsa) Ilish Bhaja (Fried Hilsa)...