Add mashed potatoes (aloo), chaat masala, black salt, roasted cumin powder, red chile powder, lemon juice, green chilie, and salt to taste and mix them.
3 Potatoes, medium, 1 teaspoon Chaat masala, ¼ teaspoon Black salt, ½ teaspoon Roasted cumin powder, 1 teaspoon Red chile powder, 1 to 2 teaspoon Lemon juice, 1 Green chile, finely chopped, Salt to taste