My mother's Special mutton curry

MUTTON CURRY
INGREDIENTS
1, Mutton - 1/2 Kg 2, Chilly powder - 3 Tsp 3, Coriander powder -6 Tsp 4,Oil-4 Tbsp 5,Cumin seed - 1/2 Tsp 6,Fenugreek - 1/2 Tsp 7,Cardamon -2 8, Cinnamon -2 9,Cloves -2 10,Onion-1 11,Shallots -hand full 12, Ginger -1 piece 13,Garlic -Few 14,Green chilly -2 15,Potato- 1 16, Coconut -1 Cup 17,Coriander leaves