Take a pan and roast cinnamon, cloves, cardamom and black pepper till the aroma comes. grind it to powder
Marinate pork with the onion, green chillies, ginger, garlic, turmeric powder, chilly powder, coriander powder, for 30 minutes.
Cook it with water
Heat oil pan add dry red chillies, shallots and saute well
Add cooked pork to the pan till pork gets dark color.