Soak the rajma in water overnight

Cook the beans in a pressure cooker and make sure they are soft and can be mashed

Filter the water from beans

Boil, peel, mash the potatoes and take a bowl and mashed potatoes and beans together and add spices and mix well

Heat oil in a pan and add this in a pan, cook it for 8 to 10 min at low flame

Cut the bun from centre and spread the sauce on bottom slice and spread masala gravy on it

Put the cabbage leaves, onion slice, tomato slice and cover it with another slice of bun

Fry it on tava with butter

Serve hot