Mutton chops

My mother in law cooks this dish excellently and I have adopted her recipe with minor modifications.
Ingredients
Mutton chest bone chops -1/4 kg
Onion-2
Tomato-2
Ginger garlic paste- 1 tbs
Chilli powder-1/2 tsp
Coriander powder- 2tsp
Turmeric powder- pinch
Jeera powder- 1/4 tsp
Clove-2 pieces
Cinnamon-a very small piece
For grinding
Coconut strips from one fourth of a coconut
Khus khus- 1/4tsp
Saunf-1/4 tsp
Pepper-5 to 6 pods
Dry roast all of them and grind into a smooth paste
Procedure
Heat oil in a cooker , add Clove, cinnamon and then add the onion. saute till it becomes golden brown..add the ginger garlic paste and cook till the raw smell goes. add the tomatoes , cook till it becomes soft and tender. add the Mutton chops, saute it. add chilli powder, turmeric powder, Coriander and jeera powder and mix nicely. add the required quantity of water and pressure cook for 3 to 5  whistles and keep it for 5 minutes. Add the ground paste to this and cook till the raw smell goes and oil separates .