Heat oil in a pressure cooker. Add the cinnamom and cloves to the hot oil. When the cloves swell up, add the chopped onions; saute until it turns translucent. Spoon the ginger-garlic paste.
When the paste begins to stick to the bottom, add the tomatoes and salt. Once the tomatoes are soft and juicy, add the washed mutton and add in some turmeric. Saute it for a bit.
Add the masala paste; saute till it coats the mutton. Pour in water and sprinkle some coriander leaves. Close the lid of the pressure cooker and wait for 3-4 pressure releases. Remove from flame and let it cool down.
Once the pressure is off, open the lid and pour the coconut milk. Check seasonings; add salt if required and add pepper for spiciness (if required). Place it on flame and bring it a boil.
Sprinkle some more coriander leaves and serve it hot!