Heat a pan add mustard oil onto it. Then add dried red chilli, bay leaf whole garam masala one by one. Slightly saute it. Then add 2 sliced onion, saute it until it gets brown colour then add the boiled rajma and pre-fried cube sized potato.Fry this and add all the spices, with it add roasted grinded spices,1and half onion,ginger, garlic and green chilli paste and fry all the ingredients until aroma comes.