Heat oil in a pan. Add asafoetida, cumin seeds, mustard seeds, ginger paste, green chilli paste. Sauté for two minutes. Add the potato pieces, mix well.Add red chilli powder, turmeric powder, green cardamom powder, salt and cook for some time.
Add yogurt and cook stirring continuously for two minutes. Then add half a cup of water
and mix. Cook till it starts boiling.
