Saute onions, once translucent add ginger garlic paste.
Raw smell gone, add meat. Color changes to white, add turmeric, red chilly powder and coriander powder.
Add potatoes, water and salt.
Pressure cook for exactly one whistle.
Pressure gone, open and add the beans, tomatoes and freshly chopped coriander.
Add a little coriander powder and optionally garam masala.
One more round of pressure cooking for exactly one whistle.
Enjoy it with rice or roti.