1.In pot soak beans
overnight in water to cover generously.
2.Next day, drain beans, put water in it and bring to boil. Add
salt, coriander, cumin and turmeric.
3.Simmer until beans are just tender, about 30 to 45 minutes.
4.Heat oil in deep pan. Add onion, garlic, ginger and cumin. Fry
for 10 minutes and add tomato.
5.Cook for another 5 minutes and add beans and the water in which
it was boiled.
6.Continue to simmer, uncovered, until beans are soft but not
completely dissolved.