Ruhi Macher Kalia is a traditional Bengali fish curry made with ruhi fish, spices, and a rich gravy. The dish is known for its aromatic flavors and is often served with steamed rice or pulao. The fish is marinated in a mixture of spices and then cooked in a thick gravy made with onions, tomatoes, ginger, garlic, and a blend of spices. The result is a delicious and hearty fish curry that is perfect for special occasions or everyday meals.