Red lentil with raw mango, also known as Bengali style tok-dal, is a tangy and flavorful lentil dish. The combination of red lentils and raw mango gives it a unique taste. It is a popular dish in Bengali cuisine and is often served with steamed rice. The lentils are cooked until soft and then tempered with spices and raw mango. The tanginess of the raw mango adds a refreshing twist to the dish.