Khatta Mitha Katla is a popular Indian fish curry made with Katla fish cooked in a tangy and sweet gravy. The fish is marinated in a blend of spices and then simmered in a flavorful sauce made with tamarind, jaggery, and spices. This dish has a perfect balance of tanginess and sweetness, making it a delightful and satisfying meal. It is usually served with steamed rice or roti.