Macher Kalia is a popular Bengali fish curry made with freshwater fish, such as Rohu or Katla, cooked in a rich and spicy gravy. The dish is known for its bold flavors and is often enjoyed with steamed rice or roti. The fish is marinated in a mixture of spices and then fried until golden brown before being simmered in a flavorful sauce made with onions, tomatoes, ginger, garlic, and a blend of aromatic spices. Macher Kalia is a delicious and satisfying dish that showcases the vibrant flavors of Bengali cuisine.