Fry rava, till very light brown.
Heat cooking oil in a pan.
Add mustard seeds and when they crackle, add curry leaves.
Add chopped beans, carrot, onion and ginger.
Cook for 5 mins, till the beans and carrot get cooked.
Add water and allow it to boil.
Add salt and stir well.
When it starts to boil, add rava.
Stir well and remove from fire.