Peel off the skin of the mangoes and cut them into finger size shapes.

Take a cooking pan and add sliced onion, ginger, garlic, green chillies and curry leaves.

Add salt and vinegar.

Mix the contents with your hand.

Mix together coriander powder, red chilly powder, turmeric powder in a bowl.

Put some oil into your hand and mix them well together.

Grind the coconut with 1/2 litre of water to make natural coconut milk.

Pour this coconut milk into a bowl.

Take a pan and add the mangoes along with water so that the mangoes sink in the water.

Add onion mixture along with the powder mixture into the above pan and start heating on a medium flame.

When it gets hot, slip in fishes.

Check the level of salt and close the lid after leveling the fish.

After 10 mins, check if the mangoes are cooked.

:- If the mangoes are cooked, then it means the fish too is cooked.

Add the coconut milk.

Check the level of salt once again.

Heat oil in a small frying pan.

Add mustard seeds and when they crackle, add small onions followed by dry red chillies and curry leaves.

Add the above tempering into the pan.

:- Fish Curry is ready.

:- Serve Fish Curry hot with rice.