Heat the oil in a saucepan. Add the onions and fry till golden brown.
Add the ginger and garlic paste along with the kasuri methi and fry for a minute.
Now add the liver and saute on meduim-high flame till the color of the liver turns pinkish - do not overmix as the liver may break.
Put all the dry masalas and the yogurt and give it a nice mix.
Keep the flame on low and cook till the liver is done.
Add the coriander powder and green chillies and mix well.
Switch off the flame and serve hot with rotis or parattas.