Finely grind coconut and green chillies along with a little salt (without adding water)and keep aside.
Heat oil in a pressure cooker, add onions and saute until they turn pinkish in color.
Now add ginger, crushed garlic cloves , then add turmeric, grinded coconut and green chillies.
Saute for 3 minutes on slow flame.
Now add hyacinth/ Avarekalu beans pods along with water, enough to cover the beans. Add salt and pressure cook for 2 whistles; reduce the flame and cook for 3 minutes.
Open the lid of the cooker, check salt and add if needed as per taste, and cook until it becomes dry, (keep stirring in between).
Curry is ready to eat.