Pressure cook the mutton in 2 cups water for 15-20 minutes on a low flame after the first whistle. Separate the mutton from the stock and keep aside. Grind all the spices for the garam masala powder and keep aside.
Heat oil and ghee in a pan and temper with bay leaves and cinnamon. Add the onion and green chilies. Fry till light brown.
Add the ginger-garlic paste and fry till the raw smell is gone. Now add the tomatoes and continue to saute till it is mashed.
Add the garam masala powder, turmeric powder, red chili powder and pepper powder. Combine everything well and saute for a minute.
Add the yoghurt and mix well. Fry till the oil separates. Then add the strained mutton pieces and saute for 2 minutes.
Add the drained rice and saute for 2 minutes more. Add 2 cups of the stock+water, coriander-mint leaves and salt.
Pressure cook for 2-3 whistles. Once it cools down, open the lid and then fluff it up with a fork. Serve with raita and salad.