Heat oil. Add mustard and let it splutter.
Add cumin seeds, urad dal, chana dal, dry red chilli
Add curry leaves
Add ginger, and green chilli
Add the chopped beans
Add salt. Cover and cook on low flame.
Cook till beans still have some crunch
Turn off the flame. Add grated coconut, lemon juice, and coriander leaves
Beans palya served with sambar and rice