Soak the dal and rajma for overnight, cooked it in pressure cooker around 3-4 vessels, in separate pan heat the little oil along with butter add finely chopped onions and ginger-garlic paste cook it for 2-3 min, add turmeric and mirch powder now add finely chopped tomatoes and cook it for 4-5 mins... Now add this mix to cooked Daal, and keep on mixing for 4-5 min, Give it butter, garlic tadka,switch off the flame and add rich cream.... Here comes your delicious dal Makhani