My mom used to prepare this curry.
Oil --- 3 spoons
Red chilly --- one tear it
Pluck the head and tail of the beans and then pluck them to small pieces.
Clean the beans in a cooker.
Add water and salt to the pressure cooker.
Keep it for 3 whistles.
Wait till the pressure goes away.
Drain the water with the help of a colander.
In the mean while, grind green chilies, coconut and salt in a blender or mixer.
Heat oil in a pan.
Add and toast seasoning one by one like urad dal, mustard seeds, cumin seeds, red chilly pieces and curry leaves.
Add green chilly coconut paste.
Fry it for a while.
Add beans to the pan.
Cook it till the water goes away.
Transfer the curry to a serving bowl.