Boil the potatoes with salt and mash it properly.
Heat kadai add oil along with hing,add jeera,mustard and saunf when start crackling add chopped onions fry till brown,add turmeric powder, red chilli powder, garam masala, ginger garlic pastes and chopped green chilies fry till spices leaves oil from the sides of pan. Add mashed potatoes mix nicely. Remove from flame cool it and
Make round balls of mashed aloo mixture. And keep this in refrigerator for little harder texture.