Take mutton, salt, turmeric in a pressure cooker, Cook for 5 to 6 whistle, simmer for 10 mins. Now turn off the heat and let the steam go all by itself. Open the cooker and set aside.
Take fennel and pepper in a small pan and roast till golden. Take it in a blender and powder finely. Set aside.
Heat oil in a kadai. Add in onions, curry leaves and green chillies and saute till golden brown.
Add in ginger garlic paste and cook that for a min.
Add in tomatoes and cook that till mushy.
Add in salt and mix well. Add in cooked mutton with any juices and cook this on high heat till the muttons browns.
Now add in garam masala powder and continue roasting.
Now add in the spice powder and coriander and mix well.