Combine cleaned pork in a pressure cooker with ginger, garlic, shallots, curry leaves, chilli powder, coriander powder, turmeric and salt. Cook till the pork is done.
Turn off the heat, add the cleaned kaaya to the pork and cook covered untill kaayais cooked well.
Heat the oil in a pan, add shallots, ginger and garlic. Saute until the shallots become light brown.
Add chilli powder, coriander powder, black pepper, ground fennel and garam masala and saute well and then add curry leaves.
Add the cooked pork to this and mix well. Saute till almost all the liquid has evaporated.
Serve hot with rice and curries.