First, boil the potato & peeled well & cut into small pieces.

In a pan put on flame add oil add onion saute few min add ginger, garlic paste saute for few minutes

Add all dry ingredient & tomato puree, sprinkle few water,saute few minutes.till spices cook properly now add beans cook few minutes add potato cook for few minutes, now add water cook for few minutes now turn off the gas and serve.