First clean your fish thoroughly after you have cleaned it then put a little salt on it and leave it to the side. Get a frying pan add 1/2 cup oil heat it and then fry fish until half cooked and put aside. Then in a separate dish heat the rest of the oil add the grounded onion ginger, garlic and grounded green chili and fry till light brown. Then add dry masala clove, cardamom and whole black pepper. Add the tomatoes to get the masala a little wet then add all the powder masala. After you have cooked the masala well add two glasses of water cook masala till masala is cooked then add the fried fish and cook till fish is thoroughly cooked if you want a lot of thin gravy add water and salt to taste. After cooking add Dhania finely chopped and u have fish curry. Serve with white rice.