Pressure cook overnight soaked rajma until they become soft. Keep this aside.
Take little cooked rajma and coarsely grind or crush to get approximately to ¾ cup of puree. Keep aside for further use.
Take a kadai, heat ghee, mustard seeds saute well.
Saute cinnamon, cardamom, bay leaf, green chili to the kadai and saute well.
Now add chopped onion, saute well until they turn slightly golden. Add thin slices of dry coconut, saute well.
Now add hing, coriander powder, red chili powder, turmeric powder, saute well with little water so that the masala doesn’t get burnt.
Add crushed cooked rajma, mix well and sauté for 2 to 3 minutes.
Lower the flame and add curd, salt, sugar. Keep stirring continuously until it thickens.
Now add the cooked rajma, close with lid and cook for 8 to 10 minutes with little water (until rajma soaks the flavor of masala).
Serve hot with rice or any Indian flat bread.