Boil potatoes and roughly mashed potatoes and keep aside.

In a kadai take oil and add jeera and as it crackles add ginger garlic and chilli paste. Add tomato puree. Cook till it's rawness gone. Add haldi powder and chilli powder.

Add boiled mashed potatoes and mix well with masalas.Add salt. Add water and give it a boil. As the gravy starts thickening off the gas. Serve hot with puris.