Garnish: dry fenugreek leaves (sukhi methi) and chopped coriander.
Heat oil in a pan. Add green chilies, red chilies, cumin seeds, mustard seeds, and garlic. Let them sizzle for a few seconds until aromatic.
Add the boiled and cubed potatoes.
Sprinkle red chili powder, turmeric, and salt. Mix well.
Add tamarind pulp and cook for 2-3 minutes until the potatoes are well coated and slightly crispy.
Garnish with crushed dry fenugreek leaves and fresh coriander.
Serve hot with puri, paratha, or even daal chawal!