Soak the gram dal in water for 1 hr
Meanwhile mix rava and curd together.
Add enough water to make it in a thick pouring consistency batter. Close it with a lid and keep it aside for 1 hr.
Chop the onion, green chilies, coriander finely.
Now add the cut onion, green chilies, coriander, asafoetida, and salt to this batter. Mix well
Heat the Kuzhipaniyaram pan, pour 2 tsp of oil into each depression
When the oil heats up sufficiently, pour a spoonful of the prepared batter into each kuzhi, and close it with the lid.
Cook on low flame for 1 minute
Now flip each paniyaram on the other side and let it cook till it gets a golden brown color
Serve warm with a chutney of your choice