Grind the coconut with cumin seeds to a smooth paste and keep aside
Heat 1/2 to 3/4 cup of water in a pan
Add in chopped green unripe bananas, green chilies, red chili powder, salt and turmeric powder
Simmer this for a minute or two
Add smooth cumin paste to the pan and mix well
Gently bring this to a boil and reduce flame to low
Gradually add the curd, stirring all the time
Make sure it is not curdle
Remove the pan from flame when its done