Start with making a fine paste of tomato, then peel potato and keep aside.

Take oil in a pressure cooker and heat it sufficiently. When the oil is hot add cumin seeds, chopped onion and soute them. When the starts brown add tomato puree,haldi,coriander powder, red chilli powder,salt now saute the masala on medium flame until you see oil leaving the edges of masala.

Now add haha choliya and potato then stirr well.

Then add water and mix everything.cover with the lid let the cook for 10 to 15 mins. Then garnish with coriander leaves.