Cut mutton or lamb into small pieces.
If use small onions, no need to cut. used as a shallots.
if big is used, cut into medium pieces.
In a Cooker, pour oil, mustard seeds, split urad dal. After splittering, add curry leaves and onions, Ginger and Garlic. Fry until turns pink. Add mutton pieces and salt. Mix well until raw small goes.
Add turmeric powder and Chilli powder. if u want like gravy, then add masal powder(commonly used for all kulambhu in Tamil Nadu).
Add some water and close the cooker. Wait upto 5 whistle or as yours.
After that, if any water in it. just put on stove and high the flame until water evaporates. Garnish with coriander leaves. Ready to serve with Rice, Briyani, Dosa, Paratta or roti, etc...