Pressure cook or microwave potatoes till they are just done . Dont overcook . They should be soft yet firm. Peel off the skin .
Dice them to medium size pieces as shown in pic
Take a kadai or pan .Add oil . When its hot , add cumin seeds . Let they splutter .
Add hing , red chilli powder ,dhania powder ,aamchoor powder,haldi and salt . Just stir them once .
Immediately add diced potato cubes to the pan .
Gently toss either using spatula or stir the pan with the handle , such that masala gets coated to the potatoes . If using spatula , remember to mix gently ,else the potatoes might break or crumble
Cook on medium flame for 3-4 minutes stirring occasionally.
Switch off and serve hot with phulkas or chapathi or poori or even as a side dish with rice .