Soak the chickpeas overnight.In the morning add 3 cups of water little salt..and a pinch of baking soda into it and pressure cook for 7-8 whistles.

Now take the chana daal and pressure cook it for 4 whistles with a little bit of salt and turmeric powder, meanwhile, you make a paste of Coriander leaves with 2-3 green chilies.

Heat 3 tsp of ghee in a pan. Add the onion and saute for 3-4 minutes or till golden. Add the ginger-garlic paste and continue to saute for another minute.

Add the spices powder..dried mango powder..garam masala, black salt, coriander paste into it. Fry it with little water in low flame for 5 minutes

Lightly roast and powder the cinnamon, cumin seeds, coriander seeds, black cardamom and cloves

Now add chickpeas and Bengal gram and mix adjust the salt and half cup water and let the mixture come to boil..simmer it for 5 minutes in low flame.

After 5 minutes. Now Transfer this into the pressure cooker for 4 whistles.