Wash and soak rice, dal and methi seeds for 4 hours.Blend all the ingredients together.Add more water if necessary.
The batter should be relatively thin.
Add salt and covered it for 12 hours fermentation.
Heat non stick tawa to very hot sprinkle some coconut oil till sizzles and quickly pour a large spoon of dosa batter on it.
Lower the heat but some oil over dosa.
Serve them hot with sambhar and rasam