Fish Curry in Sarso Gravy is a popular Indian dish made with fish cooked in a flavorful mustard seed gravy. The dish is known for its rich and tangy taste, with the mustard seeds adding a unique and pungent flavor to the curry. The fish is marinated in spices and then simmered in the sarso gravy, resulting in a delicious and aromatic dish. It is typically served with steamed rice or roti for a satisfying meal.