Wash &soak the moong dal
Heat a pan add oil add cuminseeds crackle .
Add chopped onion&greenchilli sauted 1mints.
Add soaked moong dal stir 2 mints with salt & turmericpowder
Add 1 1/2cup water cook the dal .Not to over cook.
Than add chopped beans mix it well &cover it 5 mints.
When ever the beans cooked nicely add garam masala mix it well.