Wash the pork pieces well before using it.
In a pressure cooker add the pork pieces, turmeric, chilly powder, salt and 1 cup of water.
Let it cook upto 3 whistles and then remove from flame and keep it aside.
In a blender add the ginger, garlic, green chillies and 1/4th the quantity of shallots and blend it to a paste, adding a little if necessary. Keep aside..
Then coarsely blend rest of the shallots
In a kadai, over medium high heat, pour some oil and then add the ginger garlic paste and the shallots. Let it fry until cooked.
Remove the pork from the cooker and add it to the kadai. Let it fry with the masala.
Sprinkle in the pork masala powder and kachampuli.
Let it cook on a medium high heat until the oil surfaces.
Check for seasoning and garnish with chopped coriander leaves.