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.