Take chicken with other ingredients in a pressure cooker, cook for 2 whistle, simmer the flame and cook for 5 mins. Turn off the heat and let the steam go all by itself. Open the cooker and set aside.
Heat 2 tblspn of oil in a pan, add in onions and capsicum and cook for 5 mins. Add in tomatoes and cook for 5 more mins. Now cool this down and take it in a blender and make it into a fine puree.
Now heat 2 more tblspn of oil in a pan, add fennel and let them sizzle.
Add this ground masala and cook for 5 to 10 mins.
Add in spice powder, ketchup, salt and cook for 5 to 8 mins till you see oil separating from the mix and the colour will darken.
Now add in the cooked chicken along with all the water. Mix well.
Add more water as needed
Simmer this whole thing for 15 mins or so.
Add coriander leaves and mix well.
Serve.