Add yogurt and sugar to a medium size mixing bowl and whisk using a wire whisk until the sugar is dissolved.
Arrange 20-25 papdi on a large plate (or 10-12 papdi on 2 small plates).
Pour the whisked yogurt on the top of papdi.
Top with potatoes and black chickpeas.
Drizzle coriander mint chutney and tamarind chutney on top. If the chutneys are not of pourable consistency, add some water to them.
Sprinkle onions, salt, red chili powder, cumin powder, and chaat masala on top.
Garnish with coriander, pomegranate seeds, and fine sev. Serve immediately.
Video
Notes
You can also add more or fewer chutneys and spices as per your taste.Make sure to assemble the papri chaat just before serving, as the papdi will lose its crispiness and become soggy if kept for longer.