Railway Mutton Curry

Railway Mutton Curry is a dish of British Era.It was served in long -distance trains.British officers preferred the dish as it's easy to digest!!
Ingredients:

Mutton(medium piece with fat): 1kg
Sliced onion:2 tbsp
Onion paste:200gm
Ginger-Garlic paste:3 tbsp
Garam masala powder:1/4tsp
cloves:4-5
Cinnamon:1 inch
Green cardamom:5-6
Black cardamom:4-5
Bay leaves:4-5
Mustard oil:100ml
Salt to taste
Sugar:1 tsp
Turmeric powder:1/4 tsp
Red chilly powder:1/4 tsp
Roasted cumin powder:1/2 tsp
Coriender powder:1 tsp
4 pinches of garam masala powder
500 gm peeled potatoes,each cut into halves
Ghee:1 tbsp(optional)

Method:

Seperate the bone pieces & take in cooker with 1 litre water,add 2 bay leaves,1 tsp ginger paste & half tsp garlic paste & sliced onions.
Bring the mixture to boil on a low flame to reduce the quantity of water by half.
Remove & drain the stock.
Keep aside.
Heat oil in a kadai, temper whole garam masala & bay leaves.
Add potato pieces & fry till they turn golden brown.
Remove the potatoes.
Add the onion paste with sugar till it turns golden.
Add the Ginger-Garlic paste, Turmeric powder, red chilly powder, roasted cumin powder & saute.
Add the marinated mutton & cook till the gravy becomes thick.
Add the stock & cook till the mutton is 3/4ths done.
Add potatoes & cook till the mutton becomes tender.
Gravy will be of pouring consistency.
Add ghee & garam masala & cook for another 5 mins.
Serve with steamed rice.