In a clay pot add 2 tsp oil add cumin seeds and curry leaves
Add chopped onion, add salt and saute well. once the onion become transparent add 1/2 tsp ginger garlic paste and saute till the raw smell goes off.
Add 2 tsp red chilly powder, 2 tsp coriander powder, 1 tsp kashmiri red chilly powder, 1/4 tsp turmeric powder, 1/2 tsp garam masala powder and saute in oil
Add chopped tomatoes and saute till mushy. Add cooked legs along with the stock or soup.Check for salt and spice level adjust accordingy add enough water and cook well.
As the legs are cooked well you can switch off once it get a rolling boil. Or else cover and cook till the goat legs are tender enough. Cooking the paya with the legs for long time gets the flavour and essence in the paya. Add chopped coriander leaves and serve hot.