Take mutton and all the ingredients given for cooking mutton in a pressure cooker and cook for 5 whistle. Simmer for 10 mins. Turn off the heat and let the steam go all by itself. Open the cooker and check whether the mutton is done. Now set aside.
Take saffron and milk in a bowl and let it steep. If it didn't get good colour, add little yellow food colour.
Wash and soak rice for 30 mins. Drain it and cook by this method. Drain and set aside.
Now heat oil or ghee in a kadai. Add in whole spices and let them sizzle for 1 mins.
Add in onions, salt and chillies. Cook till it gets golden brown.
Add in ginger garlic paste and saute for a min till raw smell leaves from it.
Now drain the cooked mutton and add the mutton pieces alone in the kadai. Saute it for 5 to 8 mins till it gets nice colour.
Now add in the drained stock and reduce it till it gets thick.
Add in mint and coriander leaves reserve little for topping.
Now lay the cooked rice and top with the coriander and mint leaves, pour the saffron milk and cover with a tight lid.
Place this kadai over a heavy bottom tawa and put the flame to the lowest as possible.
Cook on dum for 15 mins. Turn off the heat and let it stay for 10 mins.