Grind the pepper and make it in powder form.
Take milk from coconut by adding little water and divide it in to two as first taken milk is 1st milk and secondly taken as 2nd milk.
st Milk
nd Milk
Mix the fish with little salt and pepper powder.
Keep it for 20 to 30 minutes.
Heat a pan and add oil when it gets hot add onion, ginger, garlic and stir well .
When it gets slight brown add tomato in to it and stir for 3 minutes.
Add the remaining pepper powder, turmeric powder, garam masala and stir well.
Add the 2nd milk in to it .
Close the pan and wait till it gets boiled.
Add the fish and curry leaves in to it then close the pan .
After 15 minutes check the fish if it gets cooked add the 1st milk in to it.
Stir well and remove from the flame.
Transfer to the serving dish.
It will take total maximum 45 minutes to cook.