In a pan or kadhai, heat oil, add mustard seeds and cumin seeds, allow it to crack

Add urad dal, fry for few seconds till it turns golden

Add curry leaves and whole red chilies, fry

Add boiled potatoes, sauté well for few seconds

Then add red chili powder, turmeric, coriander powder, salt, sauté for another minute

Add tamarind pulp, sauté for few seconds

Finally add ground masala and toss well

Dish out, garnish with coriander leaves and serve