[1] Wash beans and boil for 2 - 3 hours or 1/2 hour in pressure cooker.
[2] In the meantime make masala of onions, garlic, ginger and tomato as in ? curry.
[3] Add to the beans and cook again till most of the liquid dries up and the beans are soft and thoroughly cooked.
[4] Garnish with coriander leaves and serve.