Mix the mutton pieces with the ginger-garlic paste and beaten curd and Keep it aside to set.
Fry the chili paste in 4 tbsp milk and oil. To this paste, add mutton, onion, garam masala and salt to taste. When the clarified milk separates from the mixture, add one and a half cup of warm water and pressure cook till tender.
Fry Cinnamon, Cardamom, Cloves , Bayleaves and milk/oil in a vessel. Also add rice, green chilies, salt and enough water for the rice to cook.
Make a mixture of the coriander, mint, mixed spices and onion and keep aside. Smear milk inside another vessel. Spread a layer of rice in it and cover it with mutton.
Sprinkle half of the mint mixture and juice of a lime. Sprinkle the rice with saffron milk and some clarified milk. Cover tightly and cook for half an hour over slow fire.
Serve hot with some raita , lemon wedges and onions slices.