Pressure cook the drumstick
Remove the flesh from the drumsticks.
Reserve the stock and flesh.
Heat Olive oil in a pot. Add onions and garlic and sauté for a min.
Add drumstick flesh and mix well.
Take it in a blender and puree till smooth.
Take stock and puree in a sauce pan.
Add cumin powder, salt and pepper.
Bring it to a boil. Remove the scum off.
Simmer for 5 mins.
Add coriander leaves and mix well.